51340111194 has 16 divisors (see below), whose sum is σ = 105184618560. Its totient is φ = 16695971040.

The previous prime is 51340111117. The next prime is 51340111219. The reversal of 51340111194 is 49111104315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104349574 + ... + 104350065.

It is an arithmetic number, because the mean of its divisors is an integer number (6574038660).

Almost surely, 2^51340111194 is an apocalyptic number.

51340111194 is an abundant number, since it is smaller than the sum of its proper divisors (53844507366).

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

51340111194 is a wasteful number, since it uses less digits than its factorization.

51340111194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208699685.

The product of its (nonzero) digits is 2160, while the sum is 30.

The spelling of 51340111194 in words is "fifty-one billion, three hundred forty million, one hundred eleven thousand, one hundred ninety-four".