11990154 has 16 divisors (see below), whose sum is σ = 26160480. Its totient is φ = 3633360.

The previous prime is 11990141. The next prime is 11990171. The reversal of 11990154 is 45109911.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 90769 + ... + 90900.

It is an arithmetic number, because the mean of its divisors is an integer number (1635030).

Almost surely, 2^11990154 is an apocalyptic number.

11990154 is an abundant number, since it is smaller than the sum of its proper divisors (14170326).

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

11990154 is a wasteful number, since it uses less digits than its factorization.

11990154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181685.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 11990154 is about 3462.6801758176. The cubic root of 11990154 is about 228.8802155083.

The spelling of 11990154 in words is "eleven million, nine hundred ninety thousand, one hundred fifty-four".