1190856046897 has 16 divisors (see below), whose sum is σ = 1320947578944. Its totient is φ = 1064417544000.

The previous prime is 1190856046873. The next prime is 1190856046993. The reversal of 1190856046897 is 7986406580911.

It is a cyclic number.

It is not a de Polignac number, because 1190856046897 - 2⁷ = 1190856046769 is a prime.

It is a super-2 number, since 2×1190856046897² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1190856046837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1303822 + ... + 2020312.

It is an arithmetic number, because the mean of its divisors is an integer number (82559223684).

Almost surely, 2^{1190856046897} is an apocalyptic number.

It is an amenable number.

1190856046897 is a deficient number, since it is larger than the sum of its proper divisors (130091532047).

1190856046897 is a wasteful number, since it uses less digits than its factorization.

1190856046897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719040.

The product of its (nonzero) digits is 26127360, while the sum is 64.

The spelling of 1190856046897 in words is "one trillion, one hundred ninety billion, eight hundred fifty-six million, forty-six thousand, eight hundred ninety-seven".