11707100557 has 4 divisors (see below), whose sum is σ = 11707454716. Its totient is φ = 11706746400.

The previous prime is 11707100539. The next prime is 11707100563. The reversal of 11707100557 is 75500170711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1326343561 + 10380756996 = 36419^2 + 101886^2 .

It is a cyclic number.

It is not a de Polignac number, because 11707100557 - 2¹⁵ = 11707067789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11707100597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121728 + ... + 195529.

It is an arithmetic number, because the mean of its divisors is an integer number (2926863679).

Almost surely, 2^11707100557 is an apocalyptic number.

It is an amenable number.

11707100557 is a deficient number, since it is larger than the sum of its proper divisors (354159).

11707100557 is an equidigital number, since it uses as much as digits as its factorization.

11707100557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354158.

The product of its (nonzero) digits is 8575, while the sum is 34.

The spelling of 11707100557 in words is "eleven billion, seven hundred seven million, one hundred thousand, five hundred fifty-seven".