11157193942 has 32 divisors (see below), whose sum is σ = 18363490560. Its totient is φ = 5061181440.

The previous prime is 11157193933. The next prime is 11157193981. The reversal of 11157193942 is 24939175111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250284 + ... + 291472.

It is an arithmetic number, because the mean of its divisors is an integer number (573859080).

Almost surely, 2^11157193942 is an apocalyptic number.

11157193942 is a deficient number, since it is larger than the sum of its proper divisors (7206296618).

11157193942 is a wasteful number, since it uses less digits than its factorization.

11157193942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41496.

The product of its digits is 68040, while the sum is 43.

The spelling of 11157193942 in words is "eleven billion, one hundred fifty-seven million, one hundred ninety-three thousand, nine hundred forty-two".