11715275651 has 4 divisors (see below), whose sum is σ = 11717336304. Its totient is φ = 11713215000.

The previous prime is 11715275647. The next prime is 11715275707. The reversal of 11715275651 is 15657251711.

11715275651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15657251711 = 503 ⋅31127737.

It is a cyclic number.

It is not a de Polignac number, because 11715275651 - 2² = 11715275647 is a prime.

It is a super-3 number, since 3×11715275651³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11715275599 and 11715275608.

It is not an unprimeable number, because it can be changed into a prime (11715275641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021775 + ... + 1033176.

It is an arithmetic number, because the mean of its divisors is an integer number (2929334076).

Almost surely, 2^11715275651 is an apocalyptic number.

11715275651 is a deficient number, since it is larger than the sum of its proper divisors (2060653).

11715275651 is an equidigital number, since it uses as much as digits as its factorization.

11715275651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060652.

The product of its digits is 73500, while the sum is 41.

The spelling of 11715275651 in words is "eleven billion, seven hundred fifteen million, two hundred seventy-five thousand, six hundred fifty-one".