255562603136 has 128 divisors (see below), whose sum is σ = 525407826240. Its totient is φ = 123752079360.

The previous prime is 255562603133. The next prime is 255562603139. The reversal of 255562603136 is 631306265552.

It is an interprime number because it is at equal distance from previous prime (255562603133) and next prime (255562603139).

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (255562603133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576890531 + ... + 576890973.

Almost surely, 2^255562603136 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 255562603136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262703913120).

255562603136 is an abundant number, since it is smaller than the sum of its proper divisors (269845223104).

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

255562603136 is a wasteful number, since it uses less digits than its factorization.

255562603136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 44.

Adding to 255562603136 its reverse (631306265552), we get a palindrome (886868868688).

The spelling of 255562603136 in words is "two hundred fifty-five billion, five hundred sixty-two million, six hundred three thousand, one hundred thirty-six".