11530414557 has 20 divisors (see below), whose sum is σ = 17229559776. Its totient is φ = 7684661160.

The previous prime is 11530414507. The next prime is 11530414559. The reversal of 11530414557 is 75541403511.

11530414557 is a `hidden beast` number, since 11 + 53 + 0 + 41 + 4 + 557 = 666.

It is not a de Polignac number, because 11530414557 - 2²⁷ = 11396196829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530414559) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 279688 + ... + 318254.

Almost surely, 2^11530414557 is an apocalyptic number.

It is an amenable number.

11530414557 is a deficient number, since it is larger than the sum of its proper divisors (5699145219).

11530414557 is an equidigital number, since it uses as much as digits as its factorization.

11530414557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42270 (or 42261 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 11530414557 in words is "eleven billion, five hundred thirty million, four hundred fourteen thousand, five hundred fifty-seven".