51504212195 has 32 divisors (see below), whose sum is σ = 65062287936. Its totient is φ = 39099456000.

The previous prime is 51504212189. The next prime is 51504212203. The reversal of 51504212195 is 59121240515.

It is not a de Polignac number, because 51504212195 - 2⁸ = 51504211939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1231325 + ... + 1272465.

It is an arithmetic number, because the mean of its divisors is an integer number (2033196498).

Almost surely, 2^51504212195 is an apocalyptic number.

51504212195 is a deficient number, since it is larger than the sum of its proper divisors (13558075741).

51504212195 is a wasteful number, since it uses less digits than its factorization.

51504212195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41351.

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 51504212195 in words is "fifty-one billion, five hundred four million, two hundred twelve thousand, one hundred ninety-five".