51630132221135 has 32 divisors (see below), whose sum is σ = 66792212081280. Its totient is φ = 38086770129408.

The previous prime is 51630132221009. The next prime is 51630132221203. The reversal of 51630132221135 is 53112223103615.

It is a happy number.

It is not a de Polignac number, because 51630132221135 - 2⁸ = 51630132220879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51630132221095 and 51630132221104.

It is a congruent 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, 349465661 + ... + 349613369.

It is an arithmetic number, because the mean of its divisors is an integer number (2087256627540).

Almost surely, 2^{51630132221135} is an apocalyptic number.

51630132221135 is a deficient number, since it is larger than the sum of its proper divisors (15162079860145).

51630132221135 is a wasteful number, since it uses less digits than its factorization.

51630132221135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153347.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 51630132221135 in words is "fifty-one trillion, six hundred thirty billion, one hundred thirty-two million, two hundred twenty-one thousand, one hundred thirty-five".