2555231544972 has 72 divisors (see below), whose sum is σ = 6799283232560. Its totient is φ = 806882549760.

The previous prime is 2555231544967. The next prime is 2555231544973. The reversal of 2555231544972 is 2794451325552.

2555231544972 is a `hidden beast` number, since 2 + 5 + 5 + 5 + 2 + 3 + 1 + 544 + 97 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (2555231544973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21199308 + ... + 21319500.

Almost surely, 2^{2555231544972} is an apocalyptic number.

It is an amenable number.

2555231544972 is an abundant number, since it is smaller than the sum of its proper divisors (4244051687588).

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

2555231544972 is a wasteful number, since it uses less digits than its factorization.

2555231544972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151303 (or 151298 counting only the distinct ones).

The product of its digits is 15120000, while the sum is 54.

The spelling of 2555231544972 in words is "two trillion, five hundred fifty-five billion, two hundred thirty-one million, five hundred forty-four thousand, nine hundred seventy-two".