11844138253 has 2 divisors, whose sum is σ = 11844138254. Its totient is φ = 11844138252.

The previous prime is 11844138209. The next prime is 11844138283. The reversal of 11844138253 is 35283144811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8535357769 + 3308780484 = 92387^2 + 57522^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11844138253 is a prime.

It is a super-2 number, since 2×11844138253² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11844138203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5922069126 + 5922069127.

It is an arithmetic number, because the mean of its divisors is an integer number (5922069127).

Almost surely, 2^11844138253 is an apocalyptic number.

It is an amenable number.

11844138253 is a deficient number, since it is larger than the sum of its proper divisors (1).

11844138253 is an equidigital number, since it uses as much as digits as its factorization.

11844138253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 40.

The spelling of 11844138253 in words is "eleven billion, eight hundred forty-four million, one hundred thirty-eight thousand, two hundred fifty-three".