1092115887644 has 24 divisors (see below), whose sum is σ = 1966759367328. Its totient is φ = 530243323200.

The previous prime is 1092115887623. The next prime is 1092115887701. The reversal of 1092115887644 is 4467885112901.

It is a super-2 number, since 2×1092115887644² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1092115887644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7260707 + ... + 7409594.

It is an arithmetic number, because the mean of its divisors is an integer number (81948306972).

Almost surely, 2^{1092115887644} is an apocalyptic number.

It is an amenable number.

1092115887644 is a deficient number, since it is larger than the sum of its proper divisors (874643479684).

1092115887644 is a wasteful number, since it uses less digits than its factorization.

1092115887644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14670845 (or 14670843 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 1092115887644 in words is "one trillion, ninety-two billion, one hundred fifteen million, eight hundred eighty-seven thousand, six hundred forty-four".