15157945903 has 2 divisors, whose sum is σ = 15157945904. Its totient is φ = 15157945902.

The previous prime is 15157945849. The next prime is 15157945919. The reversal of 15157945903 is 30954975151.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15157945903 - 2⁹ = 15157945391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15157945963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7578972951 + 7578972952.

It is an arithmetic number, because the mean of its divisors is an integer number (7578972952).

Almost surely, 2^15157945903 is an apocalyptic number.

15157945903 is a deficient number, since it is larger than the sum of its proper divisors (1).

15157945903 is an equidigital number, since it uses as much as digits as its factorization.

15157945903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 850500, while the sum is 49.

The spelling of 15157945903 in words is "fifteen billion, one hundred fifty-seven million, nine hundred forty-five thousand, nine hundred three".