1254155775383 has 8 divisors (see below), whose sum is σ = 1466653930368. Its totient is φ = 1049990881464.

The previous prime is 1254155775371. The next prime is 1254155775407. The reversal of 1254155775383 is 3835775514521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1254155775383 - 2¹⁶ = 1254155709847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254155775343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083314941 + ... + 2083315542.

It is an arithmetic number, because the mean of its divisors is an integer number (183331741296).

Almost surely, 2^{1254155775383} is an apocalyptic number.

1254155775383 is a deficient number, since it is larger than the sum of its proper divisors (212498154985).

1254155775383 is an equidigital number, since it uses as much as digits as its factorization.

1254155775383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166630533.

The product of its digits is 17640000, while the sum is 56.

The spelling of 1254155775383 in words is "one trillion, two hundred fifty-four billion, one hundred fifty-five million, seven hundred seventy-five thousand, three hundred eighty-three".