11993151 has 8 divisors (see below), whose sum is σ = 16015024. Its totient is φ = 7983360.

The previous prime is 11993147. The next prime is 11993167. The reversal of 11993151 is 15139911.

11993151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11993151 - 2² = 11993147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11993101) 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, 370 + ... + 4911.

It is an arithmetic number, because the mean of its divisors is an integer number (2001878).

Almost surely, 2^11993151 is an apocalyptic number.

11993151 is a deficient number, since it is larger than the sum of its proper divisors (4021873).

11993151 is an equidigital number, since it uses as much as digits as its factorization.

11993151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6041.

The product of its digits is 1215, while the sum is 30.

The square root of 11993151 is about 3463.1129060428. The cubic root of 11993151 is about 228.8992838445.

The spelling of 11993151 in words is "eleven million, nine hundred ninety-three thousand, one hundred fifty-one".