11261490 has 64 divisors (see below), whose sum is σ = 29721600. Its totient is φ = 2718144.

The previous prime is 11261489. The next prime is 11261501. The reversal of 11261490 is 9416211.

It is a self number, because there is not a number n which added to its sum of digits gives 11261490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12681 + ... + 13539.

It is an arithmetic number, because the mean of its divisors is an integer number (464400).

Almost surely, 2^11261490 is an apocalyptic number.

11261490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11261490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14860800).

11261490 is an abundant number, since it is smaller than the sum of its proper divisors (18460110).

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

11261490 is a wasteful number, since it uses less digits than its factorization.

11261490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 11261490 is about 3355.8143572015. The cubic root of 11261490 is about 224.1464948398.

The spelling of 11261490 in words is "eleven million, two hundred sixty-one thousand, four hundred ninety".