10155565251 has 48 divisors (see below), whose sum is σ = 16033504032. Its totient is φ = 6156864000.

The previous prime is 10155565229. The next prime is 10155565307. The reversal of 10155565251 is 15256555101.

10155565251 is a `hidden beast` number, since 1 + 0 + 1 + 5 + 556 + 52 + 51 = 666.

It is not a de Polignac number, because 10155565251 - 2¹³ = 10155557059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10155567251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2491351 + ... + 2495423.

It is an arithmetic number, because the mean of its divisors is an integer number (334031334).

Almost surely, 2^10155565251 is an apocalyptic number.

10155565251 is a deficient number, since it is larger than the sum of its proper divisors (5877938781).

10155565251 is a wasteful number, since it uses less digits than its factorization.

10155565251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404 (or 4401 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 36.

The spelling of 10155565251 in words is "ten billion, one hundred fifty-five million, five hundred sixty-five thousand, two hundred fifty-one".