15500224499 has 2 divisors, whose sum is σ = 15500224500. Its totient is φ = 15500224498.

The previous prime is 15500224447. The next prime is 15500224511. The reversal of 15500224499 is 99442200551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15500224499 - 2²⁴ = 15483447283 is a prime.

It is not a weakly prime, because it can be changed into another prime (15500224199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7750112249 + 7750112250.

It is an arithmetic number, because the mean of its divisors is an integer number (7750112250).

Almost surely, 2^15500224499 is an apocalyptic number.

15500224499 is a deficient number, since it is larger than the sum of its proper divisors (1).

15500224499 is an equidigital number, since it uses as much as digits as its factorization.

15500224499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 15500224499 in words is "fifteen billion, five hundred million, two hundred twenty-four thousand, four hundred ninety-nine".