51151512262100 has 72 divisors (see below), whose sum is σ = 116907254956800. Its totient is φ = 19372709952000.

The previous prime is 51151512262061. The next prime is 51151512262133. The reversal of 51151512262100 is 126221515115.

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, 4310501 + ... + 10994700.

It is an arithmetic number, because the mean of its divisors is an integer number (1623711874400).

Almost surely, 2^{51151512262100} is an apocalyptic number.

51151512262100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51151512262100 is an abundant number, since it is smaller than the sum of its proper divisors (65755742694700).

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

51151512262100 is a wasteful number, since it uses less digits than its factorization.

51151512262100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15306993 (or 15306986 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 32.

Adding to 51151512262100 its reverse (126221515115), we get a palindrome (51277733777215).

The spelling of 51151512262100 in words is "fifty-one trillion, one hundred fifty-one billion, five hundred twelve million, two hundred sixty-two thousand, one hundred".