11956103694 has 12 divisors (see below), whose sum is σ = 25904891376. Its totient is φ = 3985367892.

The previous prime is 11956103683. The next prime is 11956103699. The reversal of 11956103694 is 49630165911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11956103699) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 332113974 + ... + 332114009.

It is an arithmetic number, because the mean of its divisors is an integer number (2158740948).

Almost surely, 2^11956103694 is an apocalyptic number.

11956103694 is an abundant number, since it is smaller than the sum of its proper divisors (13948787682).

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

11956103694 is a wasteful number, since it uses less digits than its factorization.

11956103694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664227991 (or 664227988 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 11956103694 in words is "eleven billion, nine hundred fifty-six million, one hundred three thousand, six hundred ninety-four".