11941232091 has 8 divisors (see below), whose sum is σ = 15930609744. Its totient is φ = 7956337920.

The previous prime is 11941232063. The next prime is 11941232113. The reversal of 11941232091 is 19023214911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11941232091 - 2¹⁹ = 11940707803 is a prime.

It is a super-2 number, since 2×11941232091² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11941232041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114650 + ... + 1125311.

It is an arithmetic number, because the mean of its divisors is an integer number (1991326218).

Almost surely, 2^11941232091 is an apocalyptic number.

11941232091 is a deficient number, since it is larger than the sum of its proper divisors (3989377653).

11941232091 is a wasteful number, since it uses less digits than its factorization.

11941232091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241741.

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 11941232091 in words is "eleven billion, nine hundred forty-one million, two hundred thirty-two thousand, ninety-one".