51432111123415 has 24 divisors (see below), whose sum is σ = 67845399037920. Its totient is φ = 37401852755520.

The previous prime is 51432111123391. The next prime is 51432111123439.

51432111123415 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (51432111123391) and next prime (51432111123439).

It is not a de Polignac number, because 51432111123415 - 2¹⁹ = 51432110599127 is a prime.

It is a super-2 number, since 2×51432111123415² (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 (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3062721 + ... + 10594549.

It is an arithmetic number, because the mean of its divisors is an integer number (2826891626580).

Almost surely, 2^{51432111123415} is an apocalyptic number.

51432111123415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51432111123415 is a deficient number, since it is larger than the sum of its proper divisors (16413287914505).

51432111123415 is a wasteful number, since it uses less digits than its factorization.

51432111123415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543143 (or 7543132 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

It can be divided in two parts, 5143211 and 1123415, that added together give a palindrome (6266626).

The spelling of 51432111123415 in words is "fifty-one trillion, four hundred thirty-two billion, one hundred eleven million, one hundred twenty-three thousand, four hundred fifteen".