2555231545020 has 192 divisors, whose sum is σ = 8999021638656. Its totient is φ = 526258360320.

The previous prime is 2555231545019. The next prime is 2555231545021. The reversal of 2555231545020 is 205451325552.

It is an interprime number because it is at equal distance from previous prime (2555231545019) and next prime (2555231545021).

It is a self number, because there is not a number n which added to its sum of digits gives 2555231545020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555231545021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1925199 + ... + 2969318.

It is an arithmetic number, because the mean of its divisors is an integer number (46869904368).

Almost surely, 2^{2555231545020} is an apocalyptic number.

2555231545020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555231545020 is an abundant number, since it is smaller than the sum of its proper divisors (6443790093636).

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

2555231545020 is a wasteful number, since it uses less digits than its factorization.

2555231545020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894660 (or 4894658 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 2555231545020 in words is "two trillion, five hundred fifty-five billion, two hundred thirty-one million, five hundred forty-five thousand, twenty".