15198402543 has 16 divisors (see below), whose sum is σ = 21776820480. Its totient is φ = 9393918336.

The previous prime is 15198402493. The next prime is 15198402619. The reversal of 15198402543 is 34520489151.

It is not a de Polignac number, because 15198402543 - 2⁸ = 15198402287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15198402495 and 15198402504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15198402343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2220523 + ... + 2227356.

It is an arithmetic number, because the mean of its divisors is an integer number (1361051280).

Almost surely, 2^15198402543 is an apocalyptic number.

15198402543 is a deficient number, since it is larger than the sum of its proper divisors (6578417937).

15198402543 is a wasteful number, since it uses less digits than its factorization.

15198402543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447966.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 15198402543 in words is "fifteen billion, one hundred ninety-eight million, four hundred two thousand, five hundred forty-three".