51153577156 has 36 divisors (see below), whose sum is σ = 102674791296. Its totient is φ = 22240680880.

The previous prime is 51153577147. The next prime is 51153577159. The reversal of 51153577156 is 65177535115.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (51153577159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2286460 + ... + 2308723.

It is an arithmetic number, because the mean of its divisors is an integer number (2852077536).

Almost surely, 2^51153577156 is an apocalyptic number.

It is an amenable number.

51153577156 is an abundant number, since it is smaller than the sum of its proper divisors (51521214140).

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

51153577156 is a wasteful number, since it uses less digits than its factorization.

51153577156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595232 (or 4595219 counting only the distinct ones).

The product of its digits is 551250, while the sum is 46.

The spelling of 51153577156 in words is "fifty-one billion, one hundred fifty-three million, five hundred seventy-seven thousand, one hundred fifty-six".