11875191092 has 24 divisors (see below), whose sum is σ = 21502545960. Its totient is φ = 5731689600.

The previous prime is 11875191091. The next prime is 11875191109. The reversal of 11875191092 is 29019157811.

It can be written as a sum of positive squares in 4 ways, for example, as 3262237456 + 8612953636 = 57116^2 + 92806^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11875191091) 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, 933398 + ... + 946034.

It is an arithmetic number, because the mean of its divisors is an integer number (895939415).

Almost surely, 2^11875191092 is an apocalyptic number.

It is an amenable number.

11875191092 is a deficient number, since it is larger than the sum of its proper divisors (9627354868).

11875191092 is a wasteful number, since it uses less digits than its factorization.

11875191092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20771 (or 20769 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 44.

The spelling of 11875191092 in words is "eleven billion, eight hundred seventy-five million, one hundred ninety-one thousand, ninety-two".