15865345260 has 120 divisors (see below), whose sum is σ = 51934218336. Its totient is φ = 4046803200.

The previous prime is 15865345253. The next prime is 15865345267. The reversal of 15865345260 is 6254356851.

15865345260 is a `hidden beast` number, since 1 + 5 + 8 + 6 + 534 + 52 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (15865345253) and next prime (15865345267).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (15865345267) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 175641 + ... + 250160.

Almost surely, 2^15865345260 is an apocalyptic number.

15865345260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15865345260 is an abundant number, since it is smaller than the sum of its proper divisors (36068873076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15865345260 is a wasteful number, since it uses less digits than its factorization.

15865345260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425845 (or 425834 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 15865345260 in words is "fifteen billion, eight hundred sixty-five million, three hundred forty-five thousand, two hundred sixty".