11157065272 has 16 divisors (see below), whose sum is σ = 20922604560. Its totient is φ = 5577704064.

The previous prime is 11157065243. The next prime is 11157065299. The reversal of 11157065272 is 27256075111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44353 + ... + 155824.

It is an arithmetic number, because the mean of its divisors is an integer number (1307662785).

Almost surely, 2^11157065272 is an apocalyptic number.

It is an amenable number.

11157065272 is a deficient number, since it is larger than the sum of its proper divisors (9765539288).

11157065272 is a wasteful number, since it uses less digits than its factorization.

11157065272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207150 (or 207146 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 37.

The spelling of 11157065272 in words is "eleven billion, one hundred fifty-seven million, sixty-five thousand, two hundred seventy-two".