11157193946 has 16 divisors (see below), whose sum is σ = 17798242560. Its totient is φ = 5230500480.

The previous prime is 11157193933. The next prime is 11157193981. The reversal of 11157193946 is 64939175111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11157193946.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1509770 + ... + 1517141.

It is an arithmetic number, because the mean of its divisors is an integer number (1112390160).

Almost surely, 2^11157193946 is an apocalyptic number.

11157193946 is a deficient number, since it is larger than the sum of its proper divisors (6641048614).

11157193946 is a wasteful number, since it uses less digits than its factorization.

11157193946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027029.

The product of its digits is 204120, while the sum is 47.

The spelling of 11157193946 in words is "eleven billion, one hundred fifty-seven million, one hundred ninety-three thousand, nine hundred forty-six".