11688051 has 4 divisors (see below), whose sum is σ = 15584072. Its totient is φ = 7792032.

The previous prime is 11688043. The next prime is 11688067. The reversal of 11688051 is 15088611.

It is a happy number.

11688051 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15088611 = 3 ⋅5029537.

It is not a de Polignac number, because 11688051 - 2³ = 11688043 is a prime.

It is a super-2 number, since 2×11688051² = 273221072357202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11688151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948006 + ... + 1948011.

It is an arithmetic number, because the mean of its divisors is an integer number (3896018).

Almost surely, 2^11688051 is an apocalyptic number.

11688051 is a deficient number, since it is larger than the sum of its proper divisors (3896021).

11688051 is an equidigital number, since it uses as much as digits as its factorization.

11688051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896020.

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 11688051 is about 3418.7791680657. The cubic root of 11688051 is about 226.9415583089.

The spelling of 11688051 in words is "eleven million, six hundred eighty-eight thousand, fifty-one".