1255361899392 has 96 divisors (see below), whose sum is σ = 3700542933360. Its totient is φ = 408247756800.

The previous prime is 1255361899373. The next prime is 1255361899439. The reversal of 1255361899392 is 2939981635521.

1255361899392 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 3 + 618 + 9 + 9 + 3 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13242084 + ... + 13336547.

Almost surely, 2^{1255361899392} is an apocalyptic number.

1255361899392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1255361899392 is an abundant number, since it is smaller than the sum of its proper divisors (2445181033968).

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

1255361899392 is a wasteful number, since it uses less digits than its factorization.

1255361899392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26578692 (or 26578677 counting only the distinct ones).

The product of its digits is 31492800, while the sum is 63.

The spelling of 1255361899392 in words is "one trillion, two hundred fifty-five billion, three hundred sixty-one million, eight hundred ninety-nine thousand, three hundred ninety-two".