1097021580720 has 160 divisors (see below), whose sum is σ = 3751690751424. Its totient is φ = 263449804800.

The previous prime is 1097021580703. The next prime is 1097021580749. The reversal of 1097021580720 is 270851207901.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4160001 + ... + 4415840.

Almost surely, 2^{1097021580720} is an apocalyptic number.

1097021580720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1097021580720 is an abundant number, since it is smaller than the sum of its proper divisors (2654669170704).

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

1097021580720 is a wasteful number, since it uses less digits than its factorization.

1097021580720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8575911 (or 8575905 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 1097021580720 in words is "one trillion, ninety-seven billion, twenty-one million, five hundred eighty thousand, seven hundred twenty".