11945151 has 12 divisors (see below), whose sum is σ = 17893512. Its totient is φ = 7963272.

The previous prime is 11945123. The next prime is 11945161. The reversal of 11945151 is 15154911.

It is not a de Polignac number, because 11945151 - 2¹¹ = 11943103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11945161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24336 + ... + 24821.

It is an arithmetic number, because the mean of its divisors is an integer number (1491126).

Almost surely, 2^11945151 is an apocalyptic number.

11945151 is a deficient number, since it is larger than the sum of its proper divisors (5948361).

11945151 is an frugal number, since it uses more digits than its factorization.

11945151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49172 (or 49160 counting only the distinct ones).

The product of its digits is 900, while the sum is 27.

The square root of 11945151 is about 3456.1757767799. The cubic root of 11945151 is about 228.5935022023.

The spelling of 11945151 in words is "eleven million, nine hundred forty-five thousand, one hundred fifty-one".