51626630135 has 8 divisors (see below), whose sum is σ = 61965680400. Its totient is φ = 41292154624.

The previous prime is 51626630117. The next prime is 51626630137. The reversal of 51626630135 is 53103662615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51626630135 - 2²⁰ = 51625581559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51626630137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118810 + ... + 1164039.

It is an arithmetic number, because the mean of its divisors is an integer number (7745710050).

Almost surely, 2^51626630135 is an apocalyptic number.

51626630135 is a deficient number, since it is larger than the sum of its proper divisors (10339050265).

51626630135 is a wasteful number, since it uses less digits than its factorization.

51626630135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287377.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 51626630135 in words is "fifty-one billion, six hundred twenty-six million, six hundred thirty thousand, one hundred thirty-five".