20252153114111 has 4 divisors (see below), whose sum is σ = 20253036083952. Its totient is φ = 20251270144272.

The previous prime is 20252153114029. The next prime is 20252153114293. The reversal of 20252153114111 is 11141135125202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20252153114111 - 2¹⁸ = 20252152851967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252153114311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441450515 + ... + 441496388.

It is an arithmetic number, because the mean of its divisors is an integer number (5063259020988).

Almost surely, 2^{20252153114111} is an apocalyptic number.

20252153114111 is a deficient number, since it is larger than the sum of its proper divisors (882969841).

20252153114111 is an equidigital number, since it uses as much as digits as its factorization.

20252153114111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882969840.

The product of its (nonzero) digits is 2400, while the sum is 29.

Adding to 20252153114111 its reverse (11141135125202), we get a palindrome (31393288239313).

The spelling of 20252153114111 in words is "twenty trillion, two hundred fifty-two billion, one hundred fifty-three million, one hundred fourteen thousand, one hundred eleven".