5778191341512 has 36 divisors (see below), whose sum is σ = 15649323458145. Its totient is φ = 1926056981568.

The previous prime is 5778191341501. The next prime is 5778191341519. The reversal of 5778191341512 is 2151431918775.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

5778191341512 is a `hidden beast` number, since 5 + 7 + 7 + 8 + 1 + 91 + 34 + 1 + 512 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4999007335716 + 779184005796 = 2235846^2 + 882714^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1699734.

It is a super-2 number, since 2×5778191341512² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5778191341519) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20255164 + ... + 20538452.

Almost surely, 2^{5778191341512} is an apocalyptic number.

It is an amenable number.

5778191341512 is an abundant number, since it is smaller than the sum of its proper divisors (9871132116633).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5778191341512 is an frugal number, since it uses more digits than its factorization.

5778191341512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566590 (or 283294 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 54.

The spelling of 5778191341512 in words is "five trillion, seven hundred seventy-eight billion, one hundred ninety-one million, three hundred forty-one thousand, five hundred twelve".