11112522631 has 4 divisors (see below), whose sum is σ = 12700025872. Its totient is φ = 9525019392.

The previous prime is 11112522593. The next prime is 11112522653. The reversal of 11112522631 is 13622521111.

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

It is not a de Polignac number, because 11112522631 - 2¹¹ = 11112520583 is a prime.

It is a super-2 number, since 2×11112522631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112522596 and 11112522605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112522131) 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, 793751610 + ... + 793751623.

It is an arithmetic number, because the mean of its divisors is an integer number (3175006468).

Almost surely, 2^11112522631 is an apocalyptic number.

11112522631 is a deficient number, since it is larger than the sum of its proper divisors (1587503241).

11112522631 is an equidigital number, since it uses as much as digits as its factorization.

11112522631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587503240.

The product of its digits is 720, while the sum is 25.

The spelling of 11112522631 in words is "eleven billion, one hundred twelve million, five hundred twenty-two thousand, six hundred thirty-one".