11541535151 has 4 divisors (see below), whose sum is σ = 11574231072. Its totient is φ = 11508839232.

The previous prime is 11541535147. The next prime is 11541535183. The reversal of 11541535151 is 15153514511.

It is a happy number.

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

It is not a de Polignac number, because 11541535151 - 2² = 11541535147 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 (11541535111) 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, 16347431 + ... + 16348136.

It is an arithmetic number, because the mean of its divisors is an integer number (2893557768).

Almost surely, 2^11541535151 is an apocalyptic number.

11541535151 is a deficient number, since it is larger than the sum of its proper divisors (32695921).

11541535151 is an equidigital number, since it uses as much as digits as its factorization.

11541535151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32695920.

The product of its digits is 7500, while the sum is 32.

The spelling of 11541535151 in words is "eleven billion, five hundred forty-one million, five hundred thirty-five thousand, one hundred fifty-one".