11056562031 has 8 divisors (see below), whose sum is σ = 14778128560. Its totient is φ = 7353018432.

The previous prime is 11056562029. The next prime is 11056562039. The reversal of 11056562031 is 13026565011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11056562031 - 2¹ = 11056562029 is a prime.

It is a super-2 number, since 2×11056562031² (a number of 21 digits) contains 22 as substring.

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 11056562031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11056562039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4504300 + ... + 4506753.

It is an arithmetic number, because the mean of its divisors is an integer number (1847266070).

Almost surely, 2^11056562031 is an apocalyptic number.

11056562031 is a deficient number, since it is larger than the sum of its proper divisors (3721566529).

11056562031 is an equidigital number, since it uses as much as digits as its factorization.

11056562031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9011465.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 11056562031 in words is "eleven billion, fifty-six million, five hundred sixty-two thousand, thirty-one".