51623131415 has 16 divisors (see below), whose sum is σ = 62246714112. Its totient is φ = 41099637504.

The previous prime is 51623131403. The next prime is 51623131421. The reversal of 51623131415 is 51413132615.

51623131415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51623131415 is a prime.

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, 935267 + ... + 988923.

It is an arithmetic number, because the mean of its divisors is an integer number (3890419632).

Almost surely, 2^51623131415 is an apocalyptic number.

51623131415 is a deficient number, since it is larger than the sum of its proper divisors (10623582697).

51623131415 is a wasteful number, since it uses less digits than its factorization.

51623131415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54586.

The product of its digits is 10800, while the sum is 32.

The spelling of 51623131415 in words is "fifty-one billion, six hundred twenty-three million, one hundred thirty-one thousand, four hundred fifteen".