1162155191012 has 12 divisors (see below), whose sum is σ = 2062416254976. Its totient is φ = 572893403880.

The previous prime is 1162155191011. The next prime is 1162155191033. The reversal of 1162155191012 is 2101915512611.

It is a super-2 number, since 2×1162155191012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1162155191011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2046047588 + ... + 2046048155.

It is an arithmetic number, because the mean of its divisors is an integer number (171868021248).

Almost surely, 2^{1162155191012} is an apocalyptic number.

It is an amenable number.

1162155191012 is a deficient number, since it is larger than the sum of its proper divisors (900261063964).

1162155191012 is a wasteful number, since it uses less digits than its factorization.

1162155191012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092095818 (or 4092095816 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 35.

The spelling of 1162155191012 in words is "one trillion, one hundred sixty-two billion, one hundred fifty-five million, one hundred ninety-one thousand, twelve".