11601056651 has 12 divisors (see below), whose sum is σ = 12249558432. Its totient is φ = 10985283504.

The previous prime is 11601056609. The next prime is 11601056653. The reversal of 11601056651 is 15665010611.

It is not a de Polignac number, because 11601056651 - 2¹⁴ = 11601040267 is a prime.

It is a super-2 number, since 2×11601056651² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11601056653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 911705 + ... + 924341.

It is an arithmetic number, because the mean of its divisors is an integer number (1020796536).

Almost surely, 2^11601056651 is an apocalyptic number.

11601056651 is a deficient number, since it is larger than the sum of its proper divisors (648501781).

11601056651 is a wasteful number, since it uses less digits than its factorization.

11601056651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15218 (or 15199 counting only the distinct ones).

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

The spelling of 11601056651 in words is "eleven billion, six hundred one million, fifty-six thousand, six hundred fifty-one".