11612210051 has 16 divisors (see below), whose sum is σ = 12944977920. Its totient is φ = 10344166560.

The previous prime is 11612210047. The next prime is 11612210063. The reversal of 11612210051 is 15001221611.

It is not a de Polignac number, because 11612210051 - 2² = 11612210047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11612210011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104546 + ... + 184808.

It is an arithmetic number, because the mean of its divisors is an integer number (809061120).

Almost surely, 2^11612210051 is an apocalyptic number.

11612210051 is a deficient number, since it is larger than the sum of its proper divisors (1332767869).

11612210051 is a wasteful number, since it uses less digits than its factorization.

11612210051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80666.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 11612210051 its reverse (15001221611), we get a palindrome (26613431662).

The spelling of 11612210051 in words is "eleven billion, six hundred twelve million, two hundred ten thousand, fifty-one".