51142515524 has 6 divisors (see below), whose sum is σ = 89499402174. Its totient is φ = 25571257760.

The previous prime is 51142515499. The next prime is 51142515553. The reversal of 51142515524 is 42551524115.

51142515524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 33815532100 + 17326983424 = 183890^2 + 131632^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6392814437 + ... + 6392814444.

It is an arithmetic number, because the mean of its divisors is an integer number (14916567029).

Almost surely, 2^51142515524 is an apocalyptic number.

It is an amenable number.

51142515524 is a deficient number, since it is larger than the sum of its proper divisors (38356886650).

51142515524 is a wasteful number, since it uses less digits than its factorization.

51142515524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12785628885 (or 12785628883 counting only the distinct ones).

The product of its digits is 40000, while the sum is 35.

The spelling of 51142515524 in words is "fifty-one billion, one hundred forty-two million, five hundred fifteen thousand, five hundred twenty-four".