11297857290 has 32 divisors (see below), whose sum is σ = 27130939200. Its totient is φ = 3010975104.

The previous prime is 11297857267. The next prime is 11297857309. The reversal of 11297857290 is 9275879211.

11297857290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11297857290² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59859 + ... + 161798.

It is an arithmetic number, because the mean of its divisors is an integer number (847841850).

Almost surely, 2^11297857290 is an apocalyptic number.

11297857290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11297857290 is an abundant number, since it is smaller than the sum of its proper divisors (15833081910).

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

11297857290 is a wasteful number, since it uses less digits than its factorization.

11297857290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223366.

The product of its (nonzero) digits is 635040, while the sum is 51.

The spelling of 11297857290 in words is "eleven billion, two hundred ninety-seven million, eight hundred fifty-seven thousand, two hundred ninety".