11157005625 has 40 divisors (see below), whose sum is σ = 18620064672. Its totient is φ = 5940480000.

The previous prime is 11157005611. The next prime is 11157005647. The reversal of 11157005625 is 52650075111.

It is a happy number.

It is not a de Polignac number, because 11157005625 - 2¹⁰ = 11157004601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1197234 + ... + 1206516.

Almost surely, 2^11157005625 is an apocalyptic number.

11157005625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11157005625 is a deficient number, since it is larger than the sum of its proper divisors (7463059047).

11157005625 is an frugal number, since it uses more digits than its factorization.

11157005625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9947 (or 9932 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 33.

The spelling of 11157005625 in words is "eleven billion, one hundred fifty-seven million, five thousand, six hundred twenty-five".