11551490 has 8 divisors (see below), whose sum is σ = 20792700. Its totient is φ = 4620592.

The previous prime is 11551481. The next prime is 11551513. The reversal of 11551490 is 9415511.

It can be written as a sum of positive squares in 2 ways, for example, as 11539609 + 11881 = 3397^2 + 109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577565 + ... + 577584.

Almost surely, 2^11551490 is an apocalyptic number.

11551490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11551490 is a deficient number, since it is larger than the sum of its proper divisors (9241210).

11551490 is a wasteful number, since it uses less digits than its factorization.

11551490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155156.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 11551490 is about 3398.7482990066. The cubic root of 11551490 is about 226.0542459912.

The spelling of 11551490 in words is "eleven million, five hundred fifty-one thousand, four hundred ninety".