51120802115 has 16 divisors (see below), whose sum is σ = 62047101600. Its totient is φ = 40428740352.

The previous prime is 51120802111. The next prime is 51120802121.

51120802115 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 51120802115 - 2² = 51120802111 is a prime.

It is a super-2 number, since 2×51120802115² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51120802111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2976944 + ... + 2994066.

It is an arithmetic number, because the mean of its divisors is an integer number (3877943850).

Almost surely, 2^51120802115 is an apocalyptic number.

51120802115 is a deficient number, since it is larger than the sum of its proper divisors (10926299485).

51120802115 is a wasteful number, since it uses less digits than its factorization.

51120802115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23926.

The product of its (nonzero) digits is 800, while the sum is 26.

The spelling of 51120802115 in words is "fifty-one billion, one hundred twenty million, eight hundred two thousand, one hundred fifteen".