11616051 has 4 divisors (see below), whose sum is σ = 15488072. Its totient is φ = 7744032.

The previous prime is 11616043. The next prime is 11616067. The reversal of 11616051 is 15061611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15061611 = 3 ⋅5020537.

It is not a de Polignac number, because 11616051 - 2³ = 11616043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11616001) 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, 1936006 + ... + 1936011.

It is an arithmetic number, because the mean of its divisors is an integer number (3872018).

Almost surely, 2^11616051 is an apocalyptic number.

11616051 is a deficient number, since it is larger than the sum of its proper divisors (3872021).

11616051 is an equidigital number, since it uses as much as digits as its factorization.

11616051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872020.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 11616051 is about 3408.2328265540. The cubic root of 11616051 is about 226.4746010923.

Adding to 11616051 its reverse (15061611), we get a palindrome (26677662).

The spelling of 11616051 in words is "eleven million, six hundred sixteen thousand, fifty-one".