15785000961 has 8 divisors (see below), whose sum is σ = 21071059200. Its totient is φ = 10511138352.

The previous prime is 15785000953. The next prime is 15785000983. The reversal of 15785000961 is 16900058751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15785000961 - 2³ = 15785000953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15785000761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3045886 + ... + 3051063.

It is an arithmetic number, because the mean of its divisors is an integer number (2633882400).

It is a Proth number, since it is equal to 60215 ⋅ 2¹⁸ + 1 and 60215 < 2¹⁸.

Almost surely, 2^15785000961 is an apocalyptic number.

It is an amenable number.

15785000961 is a deficient number, since it is larger than the sum of its proper divisors (5286058239).

15785000961 is an equidigital number, since it uses as much as digits as its factorization.

15785000961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6097815.

The product of its (nonzero) digits is 75600, while the sum is 42.

The spelling of 15785000961 in words is "fifteen billion, seven hundred eighty-five million, nine hundred sixty-one", and thus it is an aban number.