1111085290 has 24 divisors (see below), whose sum is σ = 2326477572. Its totient is φ = 380943360.

The previous prime is 1111085279. The next prime is 1111085341. The reversal of 1111085290 is 925801111.

It can be written as a sum of positive squares in 2 ways, for example, as 908962201 + 202123089 = 30149^2 + 14217^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1133271 + ... + 1134250.

Almost surely, 2^1111085290 is an apocalyptic number.

1111085290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111085290 is an abundant number, since it is smaller than the sum of its proper divisors (1215392282).

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

1111085290 is a wasteful number, since it uses less digits than its factorization.

1111085290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267542 (or 2267535 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 28.

The square root of 1111085290 is about 33332.9460144164. The cubic root of 1111085290 is about 1035.7361453696.

The spelling of 1111085290 in words is "one billion, one hundred eleven million, eighty-five thousand, two hundred ninety".