51114146523 has 24 divisors (see below), whose sum is σ = 75370755264. Its totient is φ = 30788184240.

The previous prime is 51114146519. The next prime is 51114146543. The reversal of 51114146523 is 32564141115.

It is not a de Polignac number, because 51114146523 - 2² = 51114146519 is a prime.

It is a super-2 number, since 2×51114146523² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (51114146543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372765 + ... + 491102.

It is an arithmetic number, because the mean of its divisors is an integer number (3140448136).

Almost surely, 2^51114146523 is an apocalyptic number.

51114146523 is a deficient number, since it is larger than the sum of its proper divisors (24256608741).

51114146523 is a wasteful number, since it uses less digits than its factorization.

51114146523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864055 (or 864044 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

Adding to 51114146523 its reverse (32564141115), we get a palindrome (83678287638).

The spelling of 51114146523 in words is "fifty-one billion, one hundred fourteen million, one hundred forty-six thousand, five hundred twenty-three".