11561652053 has 8 divisors (see below), whose sum is σ = 13668948480. Its totient is φ = 9568263600.

The previous prime is 11561652049. The next prime is 11561652073. The reversal of 11561652053 is 35025616511.

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

It is not a de Polignac number, because 11561652053 - 2² = 11561652049 is a prime.

It is a super-2 number, since 2×11561652053² (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 (11561652073) 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, 28476773 + ... + 28477178.

It is an arithmetic number, because the mean of its divisors is an integer number (1708618560).

Almost surely, 2^11561652053 is an apocalyptic number.

It is an amenable number.

11561652053 is a deficient number, since it is larger than the sum of its proper divisors (2107296427).

11561652053 is an equidigital number, since it uses as much as digits as its factorization.

11561652053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56953987.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 11561652053 in words is "eleven billion, five hundred sixty-one million, six hundred fifty-two thousand, fifty-three".