51501610000026 has 32 divisors (see below), whose sum is σ = 114706369955520. Its totient is φ = 17128451173392.

The previous prime is 51501609999997. The next prime is 51501610000031. The reversal of 51501610000026 is 62000001610515.

It is a happy number.

51501610000026 is a `hidden beast` number, since 51 + 501 + 6 + 100 + 0 + 0 + 0 + 2 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076424745 + ... + 1076472588.

It is an arithmetic number, because the mean of its divisors is an integer number (3584574061110).

Almost surely, 2^{51501610000026} is an apocalyptic number.

51501610000026 is an abundant number, since it is smaller than the sum of its proper divisors (63204759955494).

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

51501610000026 is a wasteful number, since it uses less digits than its factorization.

51501610000026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152897787 (or 2152897781 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The spelling of 51501610000026 in words is "fifty-one trillion, five hundred one billion, six hundred ten million, twenty-six", and thus it is an aban number.