11100037667321 has 2 divisors, whose sum is σ = 11100037667322. Its totient is φ = 11100037667320.

The previous prime is 11100037667249. The next prime is 11100037667339. The reversal of 11100037667321 is 12376673000111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7937291982400 + 3162745684921 = 2817320^2 + 1778411^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100037667321 - 2³⁸ = 10825159760377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11100037667351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550018833660 + 5550018833661.

It is an arithmetic number, because the mean of its divisors is an integer number (5550018833661).

Almost surely, 2^{11100037667321} is an apocalyptic number.

It is an amenable number.

11100037667321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100037667321 is an equidigital number, since it uses as much as digits as its factorization.

11100037667321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The spelling of 11100037667321 in words is "eleven trillion, one hundred billion, thirty-seven million, six hundred sixty-seven thousand, three hundred twenty-one".