113561026511 has 8 divisors (see below), whose sum is σ = 120254549184. Its totient is φ = 106868999680.

The previous prime is 113561026507. The next prime is 113561026541. The reversal of 113561026511 is 115620165311.

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

It is a cyclic number.

It is not a de Polignac number, because 113561026511 - 2² = 113561026507 is a prime.

It is a super-2 number, since 2×113561026511² (a number of 23 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 (113561026541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215735 + ... + 523128.

It is an arithmetic number, because the mean of its divisors is an integer number (15031818648).

Almost surely, 2^113561026511 is an apocalyptic number.

113561026511 is a deficient number, since it is larger than the sum of its proper divisors (6693522673).

113561026511 is an equidigital number, since it uses as much as digits as its factorization.

113561026511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747921.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 113561026511 in words is "one hundred thirteen billion, five hundred sixty-one million, twenty-six thousand, five hundred eleven".