20112525187 has 2 divisors, whose sum is σ = 20112525188. Its totient is φ = 20112525186.

The previous prime is 20112525151. The next prime is 20112525203. The reversal of 20112525187 is 78152521102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20112525187 - 2¹⁹ = 20112000899 is a prime.

It is not a weakly prime, because it can be changed into another prime (20112525137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056262593 + 10056262594.

It is an arithmetic number, because the mean of its divisors is an integer number (10056262594).

Almost surely, 2^20112525187 is an apocalyptic number.

20112525187 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112525187 is an equidigital number, since it uses as much as digits as its factorization.

20112525187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 34.

The spelling of 20112525187 in words is "twenty billion, one hundred twelve million, five hundred twenty-five thousand, one hundred eighty-seven".