11651611107 has 16 divisors (see below), whose sum is σ = 15878604960. Its totient is φ = 7597105152.

The previous prime is 11651611087. The next prime is 11651611109. The reversal of 11651611107 is 70111615611.

It is not a de Polignac number, because 11651611107 - 2⁶ = 11651611043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11651611109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65182 + ... + 165987.

It is an arithmetic number, because the mean of its divisors is an integer number (992412810).

Almost surely, 2^11651611107 is an apocalyptic number.

11651611107 is a deficient number, since it is larger than the sum of its proper divisors (4226993853).

11651611107 is a wasteful number, since it uses less digits than its factorization.

11651611107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231542.

The product of its (nonzero) digits is 1260, while the sum is 30.

The spelling of 11651611107 in words is "eleven billion, six hundred fifty-one million, six hundred eleven thousand, one hundred seven".