265626450155 has 16 divisors (see below), whose sum is σ = 349494308064. Its totient is φ = 192202241280.

The previous prime is 265626450121. The next prime is 265626450169. The reversal of 265626450155 is 551054626562.

It is not a de Polignac number, because 265626450155 - 2⁸ = 265626449899 is a prime.

It is a super-2 number, since 2×265626450155² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12246962 + ... + 12268631.

It is an arithmetic number, because the mean of its divisors is an integer number (21843394254).

Almost surely, 2^265626450155 is an apocalyptic number.

265626450155 is a deficient number, since it is larger than the sum of its proper divisors (83867857909).

265626450155 is a wasteful number, since it uses less digits than its factorization.

265626450155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24515806.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 265626450155 in words is "two hundred sixty-five billion, six hundred twenty-six million, four hundred fifty thousand, one hundred fifty-five".