11656214051 has 8 divisors (see below), whose sum is σ = 11969662464. Its totient is φ = 11346229440.

The previous prime is 11656214041. The next prime is 11656214057. The reversal of 11656214051 is 15041265611.

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 11656214051 - 2¹⁴ = 11656197667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11656213999 and 11656214017.

It is not an unprimeable number, because it can be changed into a prime (11656214057) 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, 859130 + ... + 872591.

It is an arithmetic number, because the mean of its divisors is an integer number (1496207808).

Almost surely, 2^11656214051 is an apocalyptic number.

11656214051 is a deficient number, since it is larger than the sum of its proper divisors (313448413).

11656214051 is a wasteful number, since it uses less digits than its factorization.

11656214051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731901.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 11656214051 its reverse (15041265611), we get a palindrome (26697479662).

The spelling of 11656214051 in words is "eleven billion, six hundred fifty-six million, two hundred fourteen thousand, fifty-one".