255651465415 has 256 divisors, whose sum is σ = 386983526400. Its totient is φ = 160518758400.

The previous prime is 255651465413. The next prime is 255651465427. The reversal of 255651465415 is 514564156552.

It is not a de Polignac number, because 255651465415 - 2¹ = 255651465413 is a prime.

It is a super-2 number, since 2×255651465415² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255651465413) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 3600724830 + ... + 3600724900.

It is an arithmetic number, because the mean of its divisors is an integer number (1511654400).

Almost surely, 2^255651465415 is an apocalyptic number.

255651465415 is a deficient number, since it is larger than the sum of its proper divisors (131332060985).

255651465415 is a wasteful number, since it uses less digits than its factorization.

255651465415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278.

The product of its digits is 3600000, while the sum is 49.

The spelling of 255651465415 in words is "two hundred fifty-five billion, six hundred fifty-one million, four hundred sixty-five thousand, four hundred fifteen".