20162391311 has 2 divisors, whose sum is σ = 20162391312. Its totient is φ = 20162391310.

The previous prime is 20162391239. The next prime is 20162391341. The reversal of 20162391311 is 11319326102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20162391311 - 2¹⁴ = 20162374927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20162391341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10081195655 + 10081195656.

It is an arithmetic number, because the mean of its divisors is an integer number (10081195656).

Almost surely, 2^20162391311 is an apocalyptic number.

20162391311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20162391311 is an equidigital number, since it uses as much as digits as its factorization.

20162391311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 20162391311 in words is "twenty billion, one hundred sixty-two million, three hundred ninety-one thousand, three hundred eleven".