11501994 has 16 divisors (see below), whose sum is σ = 26290368. Its totient is φ = 3286272.

The previous prime is 11501881. The next prime is 11502019. The reversal of 11501994 is 49910511.

11501994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136887 + ... + 136970.

It is an arithmetic number, because the mean of its divisors is an integer number (1643148).

Almost surely, 2^11501994 is an apocalyptic number.

11501994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11501994 is an abundant number, since it is smaller than the sum of its proper divisors (14788374).

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

11501994 is a wasteful number, since it uses less digits than its factorization.

11501994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273869.

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

The square root of 11501994 is about 3391.4589780801. The cubic root of 11501994 is about 225.7309168585.

The spelling of 11501994 in words is "eleven million, five hundred one thousand, nine hundred ninety-four".