20111412253 has 2 divisors, whose sum is σ = 20111412254. Its totient is φ = 20111412252.

The previous prime is 20111412149. The next prime is 20111412287. The reversal of 20111412253 is 35221411102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18857331684 + 1254080569 = 137322^2 + 35413^2 .

It is a cyclic number.

It is not a de Polignac number, because 20111412253 - 2³³ = 11521477661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20111412953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055706126 + 10055706127.

It is an arithmetic number, because the mean of its divisors is an integer number (10055706127).

Almost surely, 2^20111412253 is an apocalyptic number.

It is an amenable number.

20111412253 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111412253 is an equidigital number, since it uses as much as digits as its factorization.

20111412253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 20111412253 its reverse (35221411102), we get a palindrome (55332823355).

The spelling of 20111412253 in words is "twenty billion, one hundred eleven million, four hundred twelve thousand, two hundred fifty-three".