10635015961 has 4 divisors (see below), whose sum is σ = 10978081024. Its totient is φ = 10291950900.

The previous prime is 10635015943. The next prime is 10635015983. The reversal of 10635015961 is 16951053601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10635015961 - 2⁹ = 10635015449 is a prime.

It is a super-2 number, since 2×10635015961² (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 10635015961.

It is not an unprimeable number, because it can be changed into a prime (10635015161) 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, 171532485 + ... + 171532546.

It is an arithmetic number, because the mean of its divisors is an integer number (2744520256).

Almost surely, 2^10635015961 is an apocalyptic number.

It is an amenable number.

10635015961 is a deficient number, since it is larger than the sum of its proper divisors (343065063).

10635015961 is an equidigital number, since it uses as much as digits as its factorization.

10635015961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343065062.

The product of its (nonzero) digits is 24300, while the sum is 37.

The spelling of 10635015961 in words is "ten billion, six hundred thirty-five million, fifteen thousand, nine hundred sixty-one".