11666145151 has 4 divisors (see below), whose sum is σ = 11669000904. Its totient is φ = 11663289400.

The previous prime is 11666145121. The next prime is 11666145163. The reversal of 11666145151 is 15154166611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11666145151 - 2⁵ = 11666145119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11666145151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666145121) 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, 1421740 + ... + 1429921.

It is an arithmetic number, because the mean of its divisors is an integer number (2917250226).

Almost surely, 2^11666145151 is an apocalyptic number.

11666145151 is a deficient number, since it is larger than the sum of its proper divisors (2855753).

11666145151 is an equidigital number, since it uses as much as digits as its factorization.

11666145151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855752.

The product of its digits is 21600, while the sum is 37.

The spelling of 11666145151 in words is "eleven billion, six hundred sixty-six million, one hundred forty-five thousand, one hundred fifty-one".