11012660031 has 4 divisors (see below), whose sum is σ = 14683546712. Its totient is φ = 7341773352.

The previous prime is 11012660023. The next prime is 11012660047. The reversal of 11012660031 is 13006621011.

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

It is not a de Polignac number, because 11012660031 - 2³ = 11012660023 is a prime.

It is a super-2 number, since 2×11012660031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012660051) 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, 1835443336 + ... + 1835443341.

It is an arithmetic number, because the mean of its divisors is an integer number (3670886678).

Almost surely, 2^11012660031 is an apocalyptic number.

11012660031 is a deficient number, since it is larger than the sum of its proper divisors (3670886681).

11012660031 is an equidigital number, since it uses as much as digits as its factorization.

11012660031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670886680.

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 11012660031 in words is "eleven billion, twelve million, six hundred sixty thousand, thirty-one".