20125115279 has 2 divisors, whose sum is σ = 20125115280. Its totient is φ = 20125115278.

The previous prime is 20125115261. The next prime is 20125115357. The reversal of 20125115279 is 97251152102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20125115279 - 2¹² = 20125111183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20125165279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062557639 + 10062557640.

It is an arithmetic number, because the mean of its divisors is an integer number (10062557640).

Almost surely, 2^20125115279 is an apocalyptic number.

20125115279 is a deficient number, since it is larger than the sum of its proper divisors (1).

20125115279 is an equidigital number, since it uses as much as digits as its factorization.

20125115279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 20125115279 in words is "twenty billion, one hundred twenty-five million, one hundred fifteen thousand, two hundred seventy-nine".