5591940362138 has 8 divisors (see below), whose sum is σ = 9033134431188. Its totient is φ = 2580895551744.

The previous prime is 5591940362123. The next prime is 5591940362147. The reversal of 5591940362138 is 8312630491955.

It can be written as a sum of positive squares in 2 ways, for example, as 5542808536489 + 49131825649 = 2354317^2 + 221657^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107537314631 + ... + 107537314682.

Almost surely, 2^{5591940362138} is an apocalyptic number.

5591940362138 is a deficient number, since it is larger than the sum of its proper divisors (3441194069050).

5591940362138 is a wasteful number, since it uses less digits than its factorization.

5591940362138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215074629328.

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 5591940362138 in words is "five trillion, five hundred ninety-one billion, nine hundred forty million, three hundred sixty-two thousand, one hundred thirty-eight".