1159707815440 has 80 divisors (see below), whose sum is σ = 2705535691776. Its totient is φ = 462299904000.

The previous prime is 1159707815411. The next prime is 1159707815443. The reversal of 1159707815440 is 445187079511.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1159707815443) 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, 36009745 + ... + 36041935.

Almost surely, 2^{1159707815440} is an apocalyptic number.

1159707815440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1159707815440 is an abundant number, since it is smaller than the sum of its proper divisors (1545827876336).

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

1159707815440 is a wasteful number, since it uses less digits than its factorization.

1159707815440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33728 (or 33722 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 52.

The spelling of 1159707815440 in words is "one trillion, one hundred fifty-nine billion, seven hundred seven million, eight hundred fifteen thousand, four hundred forty".