1195793486091 has 16 divisors (see below), whose sum is σ = 1804971301920. Its totient is φ = 782154228960.

The previous prime is 1195793486087. The next prime is 1195793486131. The reversal of 1195793486091 is 1906843975911.

1195793486091 is a `hidden beast` number, since 1 + 19 + 5 + 7 + 9 + 3 + 4 + 8 + 609 + 1 = 666.

It is not a de Polignac number, because 1195793486091 - 2² = 1195793486087 is a prime.

It is a super-2 number, since 2×1195793486091² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1195793486011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417816000 + ... + 417818861.

It is an arithmetic number, because the mean of its divisors is an integer number (112810706370).

Almost surely, 2^{1195793486091} is an apocalyptic number.

1195793486091 is a deficient number, since it is larger than the sum of its proper divisors (609177815829).

1195793486091 is an equidigital number, since it uses as much as digits as its factorization.

1195793486091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835634923 (or 835634917 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 63.

The spelling of 1195793486091 in words is "one trillion, one hundred ninety-five billion, seven hundred ninety-three million, four hundred eighty-six thousand, ninety-one".