11126501213 has 12 divisors (see below), whose sum is σ = 12060318780. Its totient is φ = 10255994496.

The previous prime is 11126501209. The next prime is 11126501219. The reversal of 11126501213 is 31210562111.

It can be written as a sum of positive squares in 2 ways, for example, as 8117649604 + 3008851609 = 90098^2 + 54853^2 .

It is not a de Polignac number, because 11126501213 - 2² = 11126501209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11126501219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403148 + ... + 429861.

It is an arithmetic number, because the mean of its divisors is an integer number (1005026565).

Almost surely, 2^11126501213 is an apocalyptic number.

It is an amenable number.

11126501213 is a deficient number, since it is larger than the sum of its proper divisors (933817567).

11126501213 is an equidigital number, since it uses as much as digits as its factorization.

11126501213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833084 (or 833065 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The spelling of 11126501213 in words is "eleven billion, one hundred twenty-six million, five hundred one thousand, two hundred thirteen".