51102898015 has 16 divisors (see below), whose sum is σ = 66382864128. Its totient is φ = 37541984256.

The previous prime is 51102898003. The next prime is 51102898031. The reversal of 51102898015 is 51089820115.

It is a cyclic number.

It is not a de Polignac number, because 51102898015 - 2¹⁹ = 51102373727 is a prime.

It is a super-2 number, since 2×51102898015² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2024239 + ... + 2049328.

It is an arithmetic number, because the mean of its divisors is an integer number (4148929008).

Almost surely, 2^51102898015 is an apocalyptic number.

51102898015 is a deficient number, since it is larger than the sum of its proper divisors (15279966113).

51102898015 is a wasteful number, since it uses less digits than its factorization.

51102898015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073778.

The product of its (nonzero) digits is 28800, while the sum is 40.

The spelling of 51102898015 in words is "fifty-one billion, one hundred two million, eight hundred ninety-eight thousand, fifteen".