11557986425 has 48 divisors (see below), whose sum is σ = 15402139200. Its totient is φ = 8577504000.

The previous prime is 11557986421. The next prime is 11557986431. The reversal of 11557986425 is 52468975511.

It is not a de Polignac number, because 11557986425 - 2² = 11557986421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11557986421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8883275 + ... + 8884575.

It is an arithmetic number, because the mean of its divisors is an integer number (320877900).

Almost surely, 2^11557986425 is an apocalyptic number.

It is an amenable number.

11557986425 is a deficient number, since it is larger than the sum of its proper divisors (3844152775).

11557986425 is a wasteful number, since it uses less digits than its factorization.

11557986425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706 (or 1701 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 53.

The spelling of 11557986425 in words is "eleven billion, five hundred fifty-seven million, nine hundred eighty-six thousand, four hundred twenty-five".