11147385890 has 32 divisors (see below), whose sum is σ = 20125324800. Its totient is φ = 4445640000.

The previous prime is 11147385871. The next prime is 11147385947. The reversal of 11147385890 is 9858374111.

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, 7967411 + ... + 7968809.

It is an arithmetic number, because the mean of its divisors is an integer number (628916400).

Almost surely, 2^11147385890 is an apocalyptic number.

11147385890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11147385890 is a deficient number, since it is larger than the sum of its proper divisors (8977938910).

11147385890 is a wasteful number, since it uses less digits than its factorization.

11147385890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218.

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 11147385890 in words is "eleven billion, one hundred forty-seven million, three hundred eighty-five thousand, eight hundred ninety".