51357888895095 has 24 divisors (see below), whose sum is σ = 89024206111152. Its totient is φ = 27389684736000.

The previous prime is 51357888895091. The next prime is 51357888895109. The reversal of 51357888895095 is 59059888875315.

51357888895095 is a `hidden beast` number, since 5 + 1 + 35 + 78 + 8 + 8 + 8 + 9 + 509 + 5 = 666.

It is not a de Polignac number, because 51357888895095 - 2² = 51357888895091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51357888895091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23729581 + ... + 25803270.

It is an arithmetic number, because the mean of its divisors is an integer number (3709341921298).

Almost surely, 2^{51357888895095} is an apocalyptic number.

51357888895095 is a deficient number, since it is larger than the sum of its proper divisors (37666317216057).

51357888895095 is a wasteful number, since it uses less digits than its factorization.

51357888895095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49555903 (or 49555900 counting only the distinct ones).

The product of its (nonzero) digits is 4354560000, while the sum is 81.

The spelling of 51357888895095 in words is "fifty-one trillion, three hundred fifty-seven billion, eight hundred eighty-eight million, eight hundred ninety-five thousand, ninety-five".