1092049125138 has 16 divisors (see below), whose sum is σ = 2426775833760. Its totient is φ = 364016375028.

The previous prime is 1092049125137. The next prime is 1092049125149. The reversal of 1092049125138 is 8315219402901.

1092049125138 is a `hidden beast` number, since 1 + 0 + 9 + 2 + 0 + 491 + 25 + 138 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1092049125093 and 1092049125102.

It is not an unprimeable number, because it can be changed into a prime (1092049125137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10111565920 + ... + 10111566027.

It is an arithmetic number, because the mean of its divisors is an integer number (151673489610).

Almost surely, 2^{1092049125138} is an apocalyptic number.

1092049125138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1092049125138 is an abundant number, since it is smaller than the sum of its proper divisors (1334726708622).

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

1092049125138 is a wasteful number, since it uses less digits than its factorization.

1092049125138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20223131958 (or 20223131952 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 1092049125138 in words is "one trillion, ninety-two billion, forty-nine million, one hundred twenty-five thousand, one hundred thirty-eight".