1113445578890 has 32 divisors (see below), whose sum is σ = 2051050921920. Its totient is φ = 434969789184.

The previous prime is 1113445578851. The next prime is 1113445578911. The reversal of 1113445578890 is 988755443111.

It is a super-2 number, since 2×1113445578890² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3645362 + ... + 3938978.

It is an arithmetic number, because the mean of its divisors is an integer number (64095341310).

Almost surely, 2^{1113445578890} is an apocalyptic number.

1113445578890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1113445578890 is a deficient number, since it is larger than the sum of its proper divisors (937605343030).

1113445578890 is a wasteful number, since it uses less digits than its factorization.

1113445578890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302486.

The product of its (nonzero) digits is 4838400, while the sum is 56.

The spelling of 1113445578890 in words is "one trillion, one hundred thirteen billion, four hundred forty-five million, five hundred seventy-eight thousand, eight hundred ninety".