20122553411 has 2 divisors, whose sum is σ = 20122553412. Its totient is φ = 20122553410.

The previous prime is 20122553371. The next prime is 20122553443. The reversal of 20122553411 is 11435522102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20122553411 is a prime.

It is not a weakly prime, because it can be changed into another prime (20122553471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061276705 + 10061276706.

It is an arithmetic number, because the mean of its divisors is an integer number (10061276706).

Almost surely, 2^20122553411 is an apocalyptic number.

20122553411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122553411 is an equidigital number, since it uses as much as digits as its factorization.

20122553411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 20122553411 in words is "twenty billion, one hundred twenty-two million, five hundred fifty-three thousand, four hundred eleven".