20125532524939 has 2 divisors, whose sum is σ = 20125532524940. Its totient is φ = 20125532524938.

The previous prime is 20125532524907. The next prime is 20125532524949. The reversal of 20125532524939 is 93942523552102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20125532524939 - 2⁵ = 20125532524907 is a prime.

It is not a weakly prime, because it can be changed into another prime (20125532524949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062766262469 + 10062766262470.

It is an arithmetic number, because the mean of its divisors is an integer number (10062766262470).

Almost surely, 2^{20125532524939} is an apocalyptic number.

20125532524939 is a deficient number, since it is larger than the sum of its proper divisors (1).

20125532524939 is an equidigital number, since it uses as much as digits as its factorization.

20125532524939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832000, while the sum is 52.

The spelling of 20125532524939 in words is "twenty trillion, one hundred twenty-five billion, five hundred thirty-two million, five hundred twenty-four thousand, nine hundred thirty-nine".