11481290 has 16 divisors (see below), whose sum is σ = 21882312. Its totient is φ = 4322304.

The previous prime is 11481289. The next prime is 11481293. The reversal of 11481290 is 9218411.

11481290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7912969 + 3568321 = 2813^2 + 1889^2 .

It is not an unprimeable number, because it can be changed into a prime (11481293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33599 + ... + 33938.

Almost surely, 2^11481290 is an apocalyptic number.

11481290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11481290 is a deficient number, since it is larger than the sum of its proper divisors (10401022).

11481290 is a wasteful number, since it uses less digits than its factorization.

11481290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67561.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 11481290 is about 3388.4052296029. The cubic root of 11481290 is about 225.5953942733.

It can be divided in two parts, 11481 and 290, that multiplied together give a triangular number (3329490 = T₂₅₈₀).

The spelling of 11481290 in words is "eleven million, four hundred eighty-one thousand, two hundred ninety".