1255109469168 has 20 divisors (see below), whose sum is σ = 3242366128808. Its totient is φ = 418369823040.

The previous prime is 1255109469049. The next prime is 1255109469193. The reversal of 1255109469168 is 8619649015521.

It is a super-2 number, since 2×1255109469168² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13074056923 + ... + 13074057018.

Almost surely, 2^{1255109469168} is an apocalyptic number.

It is an amenable number.

1255109469168 is an abundant number, since it is smaller than the sum of its proper divisors (1987256659640).

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

1255109469168 is a wasteful number, since it uses less digits than its factorization.

1255109469168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26148113952 (or 26148113946 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 57.

The spelling of 1255109469168 in words is "one trillion, two hundred fifty-five billion, one hundred nine million, four hundred sixty-nine thousand, one hundred sixty-eight".