11597374638356 has 12 divisors (see below), whose sum is σ = 21856590664692. Its totient is φ = 5352634448448.

The previous prime is 11597374638301. The next prime is 11597374638361. The reversal of 11597374638356 is 65383647379511.

It can be written as a sum of positive squares in 2 ways, for example, as 1337307216400 + 10260067421956 = 1156420^2 + 3203134^2 .

It is a congruent number.

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, 111513217625 + ... + 111513217728.

It is an arithmetic number, because the mean of its divisors is an integer number (1821382555391).

Almost surely, 2^{11597374638356} is an apocalyptic number.

It is an amenable number.

11597374638356 is a deficient number, since it is larger than the sum of its proper divisors (10259216026336).

11597374638356 is a wasteful number, since it uses less digits than its factorization.

11597374638356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223026435370 (or 223026435368 counting only the distinct ones).

The product of its digits is 342921600, while the sum is 68.

The spelling of 11597374638356 in words is "eleven trillion, five hundred ninety-seven billion, three hundred seventy-four million, six hundred thirty-eight thousand, three hundred fifty-six".