11051631620197 has 24 divisors (see below), whose sum is σ = 12880579158720. Its totient is φ = 9454718528640.

The previous prime is 11051631620137. The next prime is 11051631620251. The reversal of 11051631620197 is 79102613615011.

It is not a de Polignac number, because 11051631620197 - 2²⁷ = 11051497402469 is a prime.

It is a super-2 number, since 2×11051631620197² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051631620137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53837688 + ... + 54042574.

It is an arithmetic number, because the mean of its divisors is an integer number (536690798280).

Almost surely, 2^{11051631620197} is an apocalyptic number.

It is an amenable number.

11051631620197 is a deficient number, since it is larger than the sum of its proper divisors (1828947538523).

11051631620197 is a wasteful number, since it uses less digits than its factorization.

11051631620197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207001 (or 206994 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 43.

The spelling of 11051631620197 in words is "eleven trillion, fifty-one billion, six hundred thirty-one million, six hundred twenty thousand, one hundred ninety-seven".