51165556150 has 12 divisors (see below), whose sum is σ = 95167934532. Its totient is φ = 20466222440.

The previous prime is 51165556147. The next prime is 51165556157. The reversal of 51165556150 is 5165556115.

It is a super-2 number, since 2×51165556150² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51165556157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 511655512 + ... + 511655611.

It is an arithmetic number, because the mean of its divisors is an integer number (7930661211).

Almost surely, 2^51165556150 is an apocalyptic number.

51165556150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51165556150 is a deficient number, since it is larger than the sum of its proper divisors (44002378382).

51165556150 is a wasteful number, since it uses less digits than its factorization.

51165556150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023311135 (or 1023311130 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 51165556150 in words is "fifty-one billion, one hundred sixty-five million, five hundred fifty-six thousand, one hundred fifty".