2555655154536 has 128 divisors (see below), whose sum is σ = 7232089559040. Its totient is φ = 745575321600.

The previous prime is 2555655154531. The next prime is 2555655154541. The reversal of 2555655154536 is 6354515565552.

It is an interprime number because it is at equal distance from previous prime (2555655154531) and next prime (2555655154541).

It is not an unprimeable number, because it can be changed into a prime (2555655154531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 770511 + ... + 2388513.

It is an arithmetic number, because the mean of its divisors is an integer number (56500699680).

Almost surely, 2^{2555655154536} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555655154536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3616044779520).

2555655154536 is an abundant number, since it is smaller than the sum of its proper divisors (4676434404504).

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

2555655154536 is a wasteful number, since it uses less digits than its factorization.

2555655154536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618247 (or 1618243 counting only the distinct ones).

The product of its digits is 67500000, while the sum is 57.

The spelling of 2555655154536 in words is "two trillion, five hundred fifty-five billion, six hundred fifty-five million, one hundred fifty-four thousand, five hundred thirty-six".