51155005516510 has 64 divisors (see below), whose sum is σ = 105289656099840. Its totient is φ = 17529444576000.

The previous prime is 51155005516481. The next prime is 51155005516523. The reversal of 51155005516510 is 1561550055115.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1161034861 + ... + 1161078919.

It is an arithmetic number, because the mean of its divisors is an integer number (1645150876560).

Almost surely, 2^{51155005516510} is an apocalyptic number.

51155005516510 is an abundant number, since it is smaller than the sum of its proper divisors (54134650583330).

51155005516510 is a wasteful number, since it uses less digits than its factorization.

51155005516510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52601.

The product of its (nonzero) digits is 93750, while the sum is 40.

The spelling of 51155005516510 in words is "fifty-one trillion, one hundred fifty-five billion, five million, five hundred sixteen thousand, five hundred ten".