15250640255923 has 2 divisors, whose sum is σ = 15250640255924. Its totient is φ = 15250640255922.

The previous prime is 15250640255911. The next prime is 15250640255927. The reversal of 15250640255923 is 32955204605251.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15250640255923 is a prime.

It is not a weakly prime, because it can be changed into another prime (15250640255927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7625320127961 + 7625320127962.

It is an arithmetic number, because the mean of its divisors is an integer number (7625320127962).

Almost surely, 2^{15250640255923} is an apocalyptic number.

15250640255923 is a deficient number, since it is larger than the sum of its proper divisors (1).

15250640255923 is an equidigital number, since it uses as much as digits as its factorization.

15250640255923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 15250640255923 in words is "fifteen trillion, two hundred fifty billion, six hundred forty million, two hundred fifty-five thousand, nine hundred twenty-three".