11157075099 has 6 divisors (see below), whose sum is σ = 16115775156. Its totient is φ = 7438050060.

The previous prime is 11157075091. The next prime is 11157075143. The reversal of 11157075099 is 99057075111.

It is a happy number.

11157075099 is a `hidden beast` number, since 1 + 1 + 1 + 570 + 75 + 0 + 9 + 9 = 666.

It is not a de Polignac number, because 11157075099 - 2³ = 11157075091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11157075091) 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, 619837497 + ... + 619837514.

It is an arithmetic number, because the mean of its divisors is an integer number (2685962526).

Almost surely, 2^11157075099 is an apocalyptic number.

11157075099 is a deficient number, since it is larger than the sum of its proper divisors (4958700057).

11157075099 is a wasteful number, since it uses less digits than its factorization.

11157075099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239675017 (or 1239675014 counting only the distinct ones).

The product of its (nonzero) digits is 99225, while the sum is 45.

The spelling of 11157075099 in words is "eleven billion, one hundred fifty-seven million, seventy-five thousand, ninety-nine".