51165500010150 has 48 divisors (see below), whose sum is σ = 126895093261200. Its totient is φ = 13643632988160.

The previous prime is 51165500010127. The next prime is 51165500010167. The reversal of 51165500010150 is 5101000556115.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2141335 + ... + 10340034.

It is an arithmetic number, because the mean of its divisors is an integer number (2643647776275).

Almost surely, 2^{51165500010150} is an apocalyptic number.

51165500010150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51165500010150 is an abundant number, since it is smaller than the sum of its proper divisors (75729593251050).

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

51165500010150 is a wasteful number, since it uses less digits than its factorization.

51165500010150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12508713 (or 12508708 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 51165500010150 its reverse (5101000556115), we get a palindrome (56266500566265).

The spelling of 51165500010150 in words is "fifty-one trillion, one hundred sixty-five billion, five hundred million, ten thousand, one hundred fifty".