51441100518 has 32 divisors (see below), whose sum is σ = 106632234720. Its totient is φ = 16530531840.

The previous prime is 51441100499. The next prime is 51441100519. The reversal of 51441100518 is 81500114415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51441100519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038723 + ... + 1087118.

It is an arithmetic number, because the mean of its divisors is an integer number (3332257335).

Almost surely, 2^51441100518 is an apocalyptic number.

51441100518 is an abundant number, since it is smaller than the sum of its proper divisors (55191134202).

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

51441100518 is a wasteful number, since it uses less digits than its factorization.

51441100518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125992.

The product of its (nonzero) digits is 3200, while the sum is 30.

The spelling of 51441100518 in words is "fifty-one billion, four hundred forty-one million, one hundred thousand, five hundred eighteen".