51523114545 has 96 divisors (see below), whose sum is σ = 107499405312. Its totient is φ = 22318471296.

The previous prime is 51523114541. The next prime is 51523114589. The reversal of 51523114545 is 54541132515.

51523114545 is a `hidden beast` number, since 51 + 52 + 3 + 1 + 14 + 545 = 666.

It is not a de Polignac number, because 51523114545 - 2² = 51523114541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51523114541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 741984 + ... + 808446.

It is an arithmetic number, because the mean of its divisors is an integer number (1119785472).

Almost surely, 2^51523114545 is an apocalyptic number.

It is an amenable number.

51523114545 is an abundant number, since it is smaller than the sum of its proper divisors (55976290767).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51523114545 is a wasteful number, since it uses less digits than its factorization.

51523114545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66611 (or 66608 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The spelling of 51523114545 in words is "fifty-one billion, five hundred twenty-three million, one hundred fourteen thousand, five hundred forty-five".