1191412025580 has 48 divisors (see below), whose sum is σ = 3812518483200. Its totient is φ = 272322748608.

The previous prime is 1191412025543. The next prime is 1191412025581. The reversal of 1191412025580 is 855202141911.

It is a super-2 number, since 2×1191412025580² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1191412025581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1418347230 + ... + 1418348069.

It is an arithmetic number, because the mean of its divisors is an integer number (79427468400).

Almost surely, 2^{1191412025580} is an apocalyptic number.

1191412025580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1191412025580 is an abundant number, since it is smaller than the sum of its proper divisors (2621106457620).

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

1191412025580 is a wasteful number, since it uses less digits than its factorization.

1191412025580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836695318 (or 2836695316 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 39.

The spelling of 1191412025580 in words is "one trillion, one hundred ninety-one billion, four hundred twelve million, twenty-five thousand, five hundred eighty".