11537982227 has 2 divisors, whose sum is σ = 11537982228. Its totient is φ = 11537982226.

The previous prime is 11537982217. The next prime is 11537982251. The reversal of 11537982227 is 72228973511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11537982227 - 2¹⁸ = 11537720083 is a prime.

It is not a weakly prime, because it can be changed into another prime (11537982217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5768991113 + 5768991114.

It is an arithmetic number, because the mean of its divisors is an integer number (5768991114).

Almost surely, 2^11537982227 is an apocalyptic number.

11537982227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11537982227 is an equidigital number, since it uses as much as digits as its factorization.

11537982227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 47.

The spelling of 11537982227 in words is "eleven billion, five hundred thirty-seven million, nine hundred eighty-two thousand, two hundred twenty-seven".