11153015253509 has 2 divisors, whose sum is σ = 11153015253510. Its totient is φ = 11153015253508.

The previous prime is 11153015253487. The next prime is 11153015253587. The reversal of 11153015253509 is 90535251035111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9532224004900 + 1620791248609 = 3087430^2 + 1273103^2 .

It is an emirp because it is prime and its reverse (90535251035111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11153015253509 - 2²⁴ = 11152998476293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11153015255509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5576507626754 + 5576507626755.

It is an arithmetic number, because the mean of its divisors is an integer number (5576507626755).

Almost surely, 2^{11153015253509} is an apocalyptic number.

It is an amenable number.

11153015253509 is a deficient number, since it is larger than the sum of its proper divisors (1).

11153015253509 is an equidigital number, since it uses as much as digits as its factorization.

11153015253509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 101250, while the sum is 41.

The spelling of 11153015253509 in words is "eleven trillion, one hundred fifty-three billion, fifteen million, two hundred fifty-three thousand, five hundred nine".