11557465625 has 12 divisors (see below), whose sum is σ = 14445911340. Its totient is φ = 9245970000.

The previous prime is 11557465537. The next prime is 11557465637. The reversal of 11557465625 is 52656475511.

It can be written as a sum of positive squares in 6 ways, for example, as 9001455376 + 2556010249 = 94876^2 + 50557^2 .

It is not a de Polignac number, because 11557465625 - 2¹⁶ = 11557400089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11557465625.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1846070 + ... + 1852319.

It is an arithmetic number, because the mean of its divisors is an integer number (1203825945).

Almost surely, 2^11557465625 is an apocalyptic number.

It is an amenable number.

11557465625 is a deficient number, since it is larger than the sum of its proper divisors (2888445715).

11557465625 is an frugal number, since it uses more digits than its factorization.

11557465625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698414 (or 3698394 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 47.

The spelling of 11557465625 in words is "eleven billion, five hundred fifty-seven million, four hundred sixty-five thousand, six hundred twenty-five".