11512530054 has 32 divisors (see below), whose sum is σ = 25599792000. Its totient is φ = 3835051272.

The previous prime is 11512530049. The next prime is 11512530089. The reversal of 11512530054 is 45003521511.

11512530054 is a `hidden beast` number, since 115 + 12 + 530 + 0 + 5 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17757 + ... + 152775.

It is an arithmetic number, because the mean of its divisors is an integer number (799993500).

Almost surely, 2^11512530054 is an apocalyptic number.

11512530054 is an abundant number, since it is smaller than the sum of its proper divisors (14087261946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11512530054 is a wasteful number, since it uses less digits than its factorization.

11512530054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136609 (or 136603 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 11512530054 in words is "eleven billion, five hundred twelve million, five hundred thirty thousand, fifty-four".