1551413512452 has 24 divisors (see below), whose sum is σ = 3622768899232. Its totient is φ = 516737260800.

The previous prime is 1551413512391. The next prime is 1551413512457. The reversal of 1551413512452 is 2542153141551.

It is a self number, because there is not a number n which added to its sum of digits gives 1551413512452.

It is not an unprimeable number, because it can be changed into a prime (1551413512457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50055949 + ... + 50086932.

Almost surely, 2^{1551413512452} is an apocalyptic number.

1551413512452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1551413512452 is an abundant number, since it is smaller than the sum of its proper divisors (2071355386780).

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

1551413512452 is a wasteful number, since it uses less digits than its factorization.

1551413512452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100144179 (or 100144177 counting only the distinct ones).

The product of its digits is 120000, while the sum is 39.

The spelling of 1551413512452 in words is "one trillion, five hundred fifty-one billion, four hundred thirteen million, five hundred twelve thousand, four hundred fifty-two".