11557755050 has 48 divisors (see below), whose sum is σ = 22104533880. Its totient is φ = 4494147840.

The previous prime is 11557755037. The next prime is 11557755089. The reversal of 11557755050 is 5055775511.

It is a Cunningham number, because it is equal to 107507²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 2019693481 + 9538061569 = 44941^2 + 97663^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11557754989 and 11557755007.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268844 + ... + 308856.

Almost surely, 2^11557755050 is an apocalyptic number.

11557755050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11557755050 is a deficient number, since it is larger than the sum of its proper divisors (10546778830).

11557755050 is a wasteful number, since it uses less digits than its factorization.

11557755050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40187 (or 40182 counting only the distinct ones).

The product of its (nonzero) digits is 153125, while the sum is 41.

The spelling of 11557755050 in words is "eleven billion, five hundred fifty-seven million, seven hundred fifty-five thousand, fifty".