11587747435211 has 2 divisors, whose sum is σ = 11587747435212. Its totient is φ = 11587747435210.

The previous prime is 11587747435169. The next prime is 11587747435223. The reversal of 11587747435211 is 11253474778511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11587747435211 - 2²² = 11587743240907 is a prime.

It is a super-2 number, since 2×11587747435211² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11587747435261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5793873717605 + 5793873717606.

It is an arithmetic number, because the mean of its divisors is an integer number (5793873717606).

Almost surely, 2^{11587747435211} is an apocalyptic number.

11587747435211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11587747435211 is an equidigital number, since it uses as much as digits as its factorization.

11587747435211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6585600, while the sum is 56.

The spelling of 11587747435211 in words is "eleven trillion, five hundred eighty-seven billion, seven hundred forty-seven million, four hundred thirty-five thousand, two hundred eleven".