15942617803 has 6 divisors (see below), whose sum is σ = 18545494236. Its totient is φ = 13665100932.

The previous prime is 15942617771. The next prime is 15942617807. The reversal of 15942617803 is 30871624951.

It is not a de Polignac number, because 15942617803 - 2⁵ = 15942617771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15942617807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162679725 + ... + 162679822.

It is an arithmetic number, because the mean of its divisors is an integer number (3090915706).

It is a 1-persistent number, because it is pandigital, but 2⋅15942617803 = 31885235606 is not.

Almost surely, 2^15942617803 is an apocalyptic number.

15942617803 is a deficient number, since it is larger than the sum of its proper divisors (2602876433).

15942617803 is an equidigital number, since it uses as much as digits as its factorization.

15942617803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325359561 (or 325359554 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 15942617803 in words is "fifteen billion, nine hundred forty-two million, six hundred seventeen thousand, eight hundred three".