11917290846 has 24 divisors (see below), whose sum is σ = 25155061704. Its totient is φ = 3763354320.

The previous prime is 11917290829. The next prime is 11917290877. The reversal of 11917290846 is 64809271911.

It is a super-2 number, since 2×11917290846² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11917290795 and 11917290804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2748825 + ... + 2753156.

It is an arithmetic number, because the mean of its divisors is an integer number (1048127571).

Almost surely, 2^11917290846 is an apocalyptic number.

11917290846 is an abundant number, since it is smaller than the sum of its proper divisors (13237770858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11917290846 is a wasteful number, since it uses less digits than its factorization.

11917290846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502024 (or 5502005 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The spelling of 11917290846 in words is "eleven billion, nine hundred seventeen million, two hundred ninety thousand, eight hundred forty-six".