107557217137 has 4 divisors (see below), whose sum is σ = 107679303396. Its totient is φ = 107435130880.

The previous prime is 107557217113. The next prime is 107557217143. The reversal of 107557217137 is 731712755701.

It is a happy number.

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 45461062656 + 62096154481 = 213216^2 + 249191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107557217137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107557217107) 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, 61041808 + ... + 61043569.

It is an arithmetic number, because the mean of its divisors is an integer number (26919825849).

Almost surely, 2^107557217137 is an apocalyptic number.

It is an amenable number.

107557217137 is a deficient number, since it is larger than the sum of its proper divisors (122086259).

107557217137 is an equidigital number, since it uses as much as digits as its factorization.

107557217137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122086258.

The product of its (nonzero) digits is 360150, while the sum is 46.

The spelling of 107557217137 in words is "one hundred seven billion, five hundred fifty-seven million, two hundred seventeen thousand, one hundred thirty-seven".