11099157872137 has 2 divisors, whose sum is σ = 11099157872138. Its totient is φ = 11099157872136.

The previous prime is 11099157872017. The next prime is 11099157872207. The reversal of 11099157872137 is 73127875199011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8366272787401 + 2732885084736 = 2892451^2 + 1653144^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11099157872137 is a prime.

It is not a weakly prime, because it can be changed into another prime (11099157872237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5549578936068 + 5549578936069.

It is an arithmetic number, because the mean of its divisors is an integer number (5549578936069).

Almost surely, 2^{11099157872137} is an apocalyptic number.

It is an amenable number.

11099157872137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11099157872137 is an equidigital number, since it uses as much as digits as its factorization.

11099157872137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6667920, while the sum is 61.

The spelling of 11099157872137 in words is "eleven trillion, ninety-nine billion, one hundred fifty-seven million, eight hundred seventy-two thousand, one hundred thirty-seven".