1015660783992 has 16 divisors (see below), whose sum is σ = 2539151960040. Its totient is φ = 338553594656.

The previous prime is 1015660783987. The next prime is 1015660784023. The reversal of 1015660783992 is 2993870665101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21159599643 + ... + 21159599690.

Almost surely, 2^{1015660783992} is an apocalyptic number.

1015660783992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1015660783992 is an abundant number, since it is smaller than the sum of its proper divisors (1523491176048).

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

1015660783992 is a wasteful number, since it uses less digits than its factorization.

1015660783992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42319199342 (or 42319199338 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 1015660783992 in words is "one trillion, fifteen billion, six hundred sixty million, seven hundred eighty-three thousand, nine hundred ninety-two".