51132542268 has 36 divisors (see below), whose sum is σ = 126740300792. Its totient is φ = 16041580800.

The previous prime is 51132542231. The next prime is 51132542273. The reversal of 51132542268 is 86224523115.

It is a super-2 number, since 2×51132542268² (a number of 22 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 (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7368583 + ... + 7375518.

Almost surely, 2^51132542268 is an apocalyptic number.

It is an amenable number.

51132542268 is an abundant number, since it is smaller than the sum of its proper divisors (75607758524).

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

51132542268 is a wasteful number, since it uses less digits than its factorization.

51132542268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14744142 (or 14744123 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The spelling of 51132542268 in words is "fifty-one billion, one hundred thirty-two million, five hundred forty-two thousand, two hundred sixty-eight".