11627919907 has 4 divisors (see below), whose sum is σ = 11641119336. Its totient is φ = 11614720480.

The previous prime is 11627919893. The next prime is 11627919917. The reversal of 11627919907 is 70991972611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70991972611 = 7 ⋅10141710373.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11627919907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11627919917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6598393 + ... + 6600154.

It is an arithmetic number, because the mean of its divisors is an integer number (2910279834).

Almost surely, 2^11627919907 is an apocalyptic number.

11627919907 is a deficient number, since it is larger than the sum of its proper divisors (13199429).

11627919907 is an equidigital number, since it uses as much as digits as its factorization.

11627919907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13199428.

The product of its (nonzero) digits is 428652, while the sum is 52.

The spelling of 11627919907 in words is "eleven billion, six hundred twenty-seven million, nine hundred nineteen thousand, nine hundred seven".