1097558195580 has 480 divisors, whose sum is σ = 4518611919360. Its totient is φ = 216060203520.

The previous prime is 1097558195563. The next prime is 1097558195593. The reversal of 1097558195580 is 855918557901.

1097558195580 is a `hidden beast` number, since 1 + 0 + 9 + 75 + 5 + 8 + 1 + 9 + 558 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2138514 + ... + 2601606.

It is an arithmetic number, because the mean of its divisors is an integer number (9413774832).

Almost surely, 2^{1097558195580} is an apocalyptic number.

1097558195580 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 1097558195580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2259305959680).

1097558195580 is an abundant number, since it is smaller than the sum of its proper divisors (3421053723780).

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

1097558195580 is a wasteful number, since it uses less digits than its factorization.

1097558195580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463151 (or 463140 counting only the distinct ones).

The product of its (nonzero) digits is 22680000, while the sum is 63.

The spelling of 1097558195580 in words is "one trillion, ninety-seven billion, five hundred fifty-eight million, one hundred ninety-five thousand, five hundred eighty".