15000782041 has 12 divisors (see below), whose sum is σ = 17514774180. Its totient is φ = 12810003360.

The previous prime is 15000782029. The next prime is 15000782047. The reversal of 15000782041 is 14028700051.

It can be written as a sum of positive squares in 2 ways, for example, as 4448356416 + 10552425625 = 66696^2 + 102725^2 .

It is not a de Polignac number, because 15000782041 - 2⁵ = 15000782009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15000782047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555850 + ... + 582211.

It is an arithmetic number, because the mean of its divisors is an integer number (1459564515).

Almost surely, 2^15000782041 is an apocalyptic number.

It is an amenable number.

15000782041 is a deficient number, since it is larger than the sum of its proper divisors (2513992139).

15000782041 is a wasteful number, since it uses less digits than its factorization.

15000782041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138344 (or 1138337 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The spelling of 15000782041 in words is "fifteen billion, seven hundred eighty-two thousand, forty-one".