1097128899810 has 48 divisors (see below), whose sum is σ = 2853608546880. Its totient is φ = 292457613600.

The previous prime is 1097128899749. The next prime is 1097128899863. The reversal of 1097128899810 is 189988217901.

It is a super-2 number, since 2×1097128899810² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2052966 + ... + 2531585.

It is an arithmetic number, because the mean of its divisors is an integer number (59450178060).

Almost surely, 2^{1097128899810} is an apocalyptic number.

1097128899810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1097128899810 is an abundant number, since it is smaller than the sum of its proper divisors (1756479647070).

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

1097128899810 is a wasteful number, since it uses less digits than its factorization.

1097128899810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587223 (or 4587220 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 63.

The spelling of 1097128899810 in words is "one trillion, ninety-seven billion, one hundred twenty-eight million, eight hundred ninety-nine thousand, eight hundred ten".