20252544197411 has 2 divisors, whose sum is σ = 20252544197412. Its totient is φ = 20252544197410.

The previous prime is 20252544197381. The next prime is 20252544197429. The reversal of 20252544197411 is 11479144525202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20252544197411 - 2³⁴ = 20235364328227 is a prime.

It is a super-2 number, since 2×20252544197411² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20252544197491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10126272098705 + 10126272098706.

It is an arithmetic number, because the mean of its divisors is an integer number (10126272098706).

Almost surely, 2^{20252544197411} is an apocalyptic number.

20252544197411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20252544197411 is an equidigital number, since it uses as much as digits as its factorization.

20252544197411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 20252544197411 in words is "twenty trillion, two hundred fifty-two billion, five hundred forty-four million, one hundred ninety-seven thousand, four hundred eleven".