1133445678890 has 128 divisors (see below), whose sum is σ = 2415399782400. Its totient is φ = 374965044480.

The previous prime is 1133445678863. The next prime is 1133445678899. The reversal of 1133445678890 is 988765443311.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is not an unprimeable number, because it can be changed into a prime (1133445678899) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48156425 + ... + 48179955.

It is an arithmetic number, because the mean of its divisors is an integer number (18870310800).

Almost surely, 2^{1133445678890} is an apocalyptic number.

1133445678890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1133445678890 is an abundant number, since it is smaller than the sum of its proper divisors (1281954103510).

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

1133445678890 is a wasteful number, since it uses less digits than its factorization.

1133445678890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23820.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 1133445678890 in words is "one trillion, one hundred thirty-three billion, four hundred forty-five million, six hundred seventy-eight thousand, eight hundred ninety".