11605560371 has 2 divisors, whose sum is σ = 11605560372. Its totient is φ = 11605560370.

The previous prime is 11605560331. The next prime is 11605560377. The reversal of 11605560371 is 17306550611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11605560371 - 2²² = 11601366067 is a prime.

It is not a weakly prime, because it can be changed into another prime (11605560377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5802780185 + 5802780186.

It is an arithmetic number, because the mean of its divisors is an integer number (5802780186).

Almost surely, 2^11605560371 is an apocalyptic number.

11605560371 is a deficient number, since it is larger than the sum of its proper divisors (1).

11605560371 is an equidigital number, since it uses as much as digits as its factorization.

11605560371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 11605560371 in words is "eleven billion, six hundred five million, five hundred sixty thousand, three hundred seventy-one".