371553563113 has 4 divisors (see below), whose sum is σ = 372875818068. Its totient is φ = 370231308160.

The previous prime is 371553563081. The next prime is 371553563153. The reversal of 371553563113 is 311365355173.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 333156376809 + 38397186304 = 577197^2 + 195952^2 .

It is a cyclic number.

It is not a de Polignac number, because 371553563113 - 2⁵ = 371553563081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 371553563113.

It is not an unprimeable number, because it can be changed into a prime (371553563153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661127056 + ... + 661127617.

It is an arithmetic number, because the mean of its divisors is an integer number (93218954517).

Almost surely, 2^371553563113 is an apocalyptic number.

It is an amenable number.

371553563113 is a deficient number, since it is larger than the sum of its proper divisors (1322254955).

371553563113 is a wasteful number, since it uses less digits than its factorization.

371553563113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322254954.

The product of its digits is 425250, while the sum is 43.

The spelling of 371553563113 in words is "three hundred seventy-one billion, five hundred fifty-three million, five hundred sixty-three thousand, one hundred thirteen".