1115880221992 has 32 divisors (see below), whose sum is σ = 2120373269280. Its totient is φ = 550465698240.

The previous prime is 1115880221987. The next prime is 1115880222031. The reversal of 1115880221992 is 2991220885111.

It is a happy 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, 659634 + ... + 1633057.

It is an arithmetic number, because the mean of its divisors is an integer number (66261664665).

Almost surely, 2^{1115880221992} is an apocalyptic number.

It is an amenable number.

1115880221992 is a deficient number, since it is larger than the sum of its proper divisors (1004493047288).

1115880221992 is a wasteful number, since it uses less digits than its factorization.

1115880221992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293513 (or 2293509 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 49.

The spelling of 1115880221992 in words is "one trillion, one hundred fifteen billion, eight hundred eighty million, two hundred twenty-one thousand, nine hundred ninety-two".