11242437953 has 2 divisors, whose sum is σ = 11242437954. Its totient is φ = 11242437952.

The previous prime is 11242437931. The next prime is 11242437971. The reversal of 11242437953 is 35973424211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7868222209 + 3374215744 = 88703^2 + 58088^2 .

It is a cyclic number.

It is not a de Polignac number, because 11242437953 - 2¹⁰ = 11242436929 is a prime.

It is a super-2 number, since 2×11242437953² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11242437953.

It is not a weakly prime, because it can be changed into another prime (11242437653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621218976 + 5621218977.

It is an arithmetic number, because the mean of its divisors is an integer number (5621218977).

Almost surely, 2^11242437953 is an apocalyptic number.

It is an amenable number.

11242437953 is a deficient number, since it is larger than the sum of its proper divisors (1).

11242437953 is an equidigital number, since it uses as much as digits as its factorization.

11242437953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The spelling of 11242437953 in words is "eleven billion, two hundred forty-two million, four hundred thirty-seven thousand, nine hundred fifty-three".