11572537157 has 8 divisors (see below), whose sum is σ = 12269258400. Its totient is φ = 10884579984.

The previous prime is 11572537139. The next prime is 11572537183. The reversal of 11572537157 is 75173527511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11572537157 - 2¹⁰ = 11572536133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11572537187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188298 + ... + 2193579.

It is an arithmetic number, because the mean of its divisors is an integer number (1533657300).

Almost surely, 2^11572537157 is an apocalyptic number.

It is an amenable number.

11572537157 is a deficient number, since it is larger than the sum of its proper divisors (696721243).

11572537157 is a wasteful number, since it uses less digits than its factorization.

11572537157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382035.

The product of its digits is 257250, while the sum is 44.

The spelling of 11572537157 in words is "eleven billion, five hundred seventy-two million, five hundred thirty-seven thousand, one hundred fifty-seven".