1097971392000 has 1920 divisors, whose sum is σ = 4607410249728. Its totient is φ = 226934784000.

The previous prime is 1097971391987. The next prime is 1097971392047. The reversal of 1097971392000 is 2931797901.

It is a happy number.

1097971392000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 15040703964 + ... + 15040704036.

Almost surely, 2^{1097971392000} is an apocalyptic number.

1097971392000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097971392000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2303705124864).

1097971392000 is an abundant number, since it is smaller than the sum of its proper divisors (3509438857728).

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

1097971392000 is an equidigital number, since it uses as much as digits as its factorization.

1097971392000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 48.

The spelling of 1097971392000 in words is "one trillion, ninety-seven billion, nine hundred seventy-one million, three hundred ninety-two thousand".