11287380874 has 32 divisors (see below), whose sum is σ = 21189206016. Its totient is φ = 4380943920.

The previous prime is 11287380851. The next prime is 11287380959. The reversal of 11287380874 is 47808378211.

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, 98842 + ... + 179845.

It is an arithmetic number, because the mean of its divisors is an integer number (662162688).

Almost surely, 2^11287380874 is an apocalyptic number.

11287380874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11287380874 is a deficient number, since it is larger than the sum of its proper divisors (9901825142).

11287380874 is a wasteful number, since it uses less digits than its factorization.

11287380874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278970.

The product of its (nonzero) digits is 602112, while the sum is 49.

The spelling of 11287380874 in words is "eleven billion, two hundred eighty-seven million, three hundred eighty thousand, eight hundred seventy-four".