51015530102 has 16 divisors (see below), whose sum is σ = 78411694032. Its totient is φ = 24878647680.

The previous prime is 51015530099. The next prime is 51015530113. The reversal of 51015530102 is 20103551015.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213338 + ... + 384114.

It is an arithmetic number, because the mean of its divisors is an integer number (4900730877).

Almost surely, 2^51015530102 is an apocalyptic number.

51015530102 is a deficient number, since it is larger than the sum of its proper divisors (27396163930).

51015530102 is a wasteful number, since it uses less digits than its factorization.

51015530102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174463.

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 51015530102 in words is "fifty-one billion, fifteen million, five hundred thirty thousand, one hundred two".