51416036625615 has 16 divisors (see below), whose sum is σ = 82365133419648. Its totient is φ = 27388727927456.

The previous prime is 51416036625571. The next prime is 51416036625671. The reversal of 51416036625615 is 51652663061415.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51416036625615 is a prime.

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, 2072379237 + ... + 2072404046.

It is an arithmetic number, because the mean of its divisors is an integer number (5147820838728).

Almost surely, 2^{51416036625615} is an apocalyptic number.

51416036625615 is a deficient number, since it is larger than the sum of its proper divisors (30949096794033).

51416036625615 is a wasteful number, since it uses less digits than its factorization.

51416036625615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144784118.

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 51416036625615 in words is "fifty-one trillion, four hundred sixteen billion, thirty-six million, six hundred twenty-five thousand, six hundred fifteen".