20112521500319 has 2 divisors, whose sum is σ = 20112521500320. Its totient is φ = 20112521500318.

The previous prime is 20112521500307. The next prime is 20112521500381. The reversal of 20112521500319 is 91300512521102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20112521500319 is a prime.

It is a super-2 number, since 2×20112521500319² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112521502319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056260750159 + 10056260750160.

It is an arithmetic number, because the mean of its divisors is an integer number (10056260750160).

Almost surely, 2^{20112521500319} is an apocalyptic number.

20112521500319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112521500319 is an equidigital number, since it uses as much as digits as its factorization.

20112521500319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 20112521500319 in words is "twenty trillion, one hundred twelve billion, five hundred twenty-one million, five hundred thousand, three hundred nineteen".