11577555088550 has 24 divisors (see below), whose sum is σ = 23491911780792. Its totient is φ = 4210020032000.

The previous prime is 11577555088537. The next prime is 11577555088591. The reversal of 11577555088550 is 5588055577511.

11577555088550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11577555088550² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 10525049531 + ... + 10525050630.

It is an arithmetic number, because the mean of its divisors is an integer number (978829657533).

Almost surely, 2^{11577555088550} is an apocalyptic number.

11577555088550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11577555088550 is an abundant number, since it is smaller than the sum of its proper divisors (11914356692242).

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

11577555088550 is a wasteful number, since it uses less digits than its factorization.

11577555088550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21050100184 (or 21050100179 counting only the distinct ones).

The product of its (nonzero) digits is 49000000, while the sum is 62.

The spelling of 11577555088550 in words is "eleven trillion, five hundred seventy-seven billion, five hundred fifty-five million, eighty-eight thousand, five hundred fifty".