1090492127881 has 16 divisors (see below), whose sum is σ = 1206249726528. Its totient is φ = 979293931200.

The previous prime is 1090492127863. The next prime is 1090492127909. The reversal of 1090492127881 is 1887212940901.

It is a de Polignac number, because none of the positive numbers 2^k-1090492127881 is a prime.

It is a super-2 number, since 2×1090492127881² (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 (1090492127281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4386486 + ... + 4628416.

It is an arithmetic number, because the mean of its divisors is an integer number (75390607908).

Almost surely, 2^{1090492127881} is an apocalyptic number.

It is an amenable number.

1090492127881 is a deficient number, since it is larger than the sum of its proper divisors (115757598647).

1090492127881 is a wasteful number, since it uses less digits than its factorization.

1090492127881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251352.

The product of its (nonzero) digits is 580608, while the sum is 52.

The spelling of 1090492127881 in words is "one trillion, ninety billion, four hundred ninety-two million, one hundred twenty-seven thousand, eight hundred eighty-one".