51106650501615 has 16 divisors (see below), whose sum is σ = 81792735093216. Its totient is φ = 27249515504000.

The previous prime is 51106650501581. The next prime is 51106650501629. The reversal of 51106650501615 is 51610505660115.

It is a de Polignac number, because none of the positive numbers 2^k-51106650501615 is a prime.

It is a super-2 number, since 2×51106650501615² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460240356 + ... + 460351385.

It is an arithmetic number, because the mean of its divisors is an integer number (5112045943326).

Almost surely, 2^{51106650501615} is an apocalyptic number.

51106650501615 is a deficient number, since it is larger than the sum of its proper divisors (30686084591601).

51106650501615 is a wasteful number, since it uses less digits than its factorization.

51106650501615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920595450.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 51106650501615 in words is "fifty-one trillion, one hundred six billion, six hundred fifty million, five hundred one thousand, six hundred fifteen".