15200612643 has 16 divisors (see below), whose sum is σ = 20385597600. Its totient is φ = 10074753024.

The previous prime is 15200612639. The next prime is 15200612657. The reversal of 15200612643 is 34621600251.

It is not a de Polignac number, because 15200612643 - 2² = 15200612639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15200612643.

It is not an unprimeable number, because it can be changed into a prime (15200612663) 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, 995833 + ... + 1010981.

It is an arithmetic number, because the mean of its divisors is an integer number (1274099850).

Almost surely, 2^15200612643 is an apocalyptic number.

15200612643 is a deficient number, since it is larger than the sum of its proper divisors (5184984957).

15200612643 is a wasteful number, since it uses less digits than its factorization.

15200612643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17078.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 15200612643 in words is "fifteen billion, two hundred million, six hundred twelve thousand, six hundred forty-three".