51023111132015 has 16 divisors (see below), whose sum is σ = 70309358881920. Its totient is φ = 35154679439520.

The previous prime is 51023111132003. The next prime is 51023111132033.

It is a happy number.

51023111132015 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51023111132015 - 2¹⁰ = 51023111130991 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, 24412970789 + ... + 24412972878.

It is an arithmetic number, because the mean of its divisors is an integer number (4394334930120).

Almost surely, 2^{51023111132015} is an apocalyptic number.

51023111132015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51023111132015 is a deficient number, since it is larger than the sum of its proper divisors (19286247749905).

51023111132015 is a wasteful number, since it uses less digits than its factorization.

51023111132015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48825943702.

The product of its (nonzero) digits is 900, while the sum is 26.

It can be divided in two parts, 5102311 and 1132015, that added together give a palindrome (6234326).

The spelling of 51023111132015 in words is "fifty-one trillion, twenty-three billion, one hundred eleven million, one hundred thirty-two thousand, fifteen".