51015065101101 has 48 divisors (see below), whose sum is σ = 77507847001728. Its totient is φ = 32299917436800.

The previous prime is 51015065101097. The next prime is 51015065101103. The reversal of 51015065101101 is 10110156051015.

51015065101101 is a `hidden beast` number, since 5 + 1 + 0 + 1 + 5 + 0 + 651 + 0 + 1 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 51015065101101 - 2² = 51015065101097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51015065101103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6924681 + ... + 12246686.

It is an arithmetic number, because the mean of its divisors is an integer number (1614746812536).

Almost surely, 2^{51015065101101} is an apocalyptic number.

It is an amenable number.

51015065101101 is a deficient number, since it is larger than the sum of its proper divisors (26492781900627).

51015065101101 is a wasteful number, since it uses less digits than its factorization.

51015065101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19171602 (or 19171599 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 27.

The spelling of 51015065101101 in words is "fifty-one trillion, fifteen billion, sixty-five million, one hundred one thousand, one hundred one".