51505045163522 has 32 divisors (see below), whose sum is σ = 78900090916608. Its totient is φ = 25210221852816.

The previous prime is 51505045163519. The next prime is 51505045163581. The reversal of 51505045163522 is 22536154050515.

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, 15090893 + ... + 18186399.

It is an arithmetic number, because the mean of its divisors is an integer number (2465627841144).

Almost surely, 2^{51505045163522} is an apocalyptic number.

51505045163522 is a deficient number, since it is larger than the sum of its proper divisors (27395045753086).

51505045163522 is a wasteful number, since it uses less digits than its factorization.

51505045163522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096350.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 51505045163522 in words is "fifty-one trillion, five hundred five billion, forty-five million, one hundred sixty-three thousand, five hundred twenty-two".