11617456507 has 4 divisors (see below), whose sum is σ = 11931441856. Its totient is φ = 11303471160.

The previous prime is 11617456471. The next prime is 11617456519. The reversal of 11617456507 is 70565471611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11617456507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11617456547) 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, 156992619 + ... + 156992692.

It is an arithmetic number, because the mean of its divisors is an integer number (2982860464).

Almost surely, 2^11617456507 is an apocalyptic number.

11617456507 is a deficient number, since it is larger than the sum of its proper divisors (313985349).

11617456507 is an equidigital number, since it uses as much as digits as its factorization.

11617456507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313985348.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 11617456507 in words is "eleven billion, six hundred seventeen million, four hundred fifty-six thousand, five hundred seven".