11541141515 has 4 divisors (see below), whose sum is σ = 13849369824. Its totient is φ = 9232913208.

The previous prime is 11541141449. The next prime is 11541141539. The reversal of 11541141515 is 51514114511.

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 11541141515 - 2²⁰ = 11540092939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154114147 + ... + 1154114156.

It is an arithmetic number, because the mean of its divisors is an integer number (3462342456).

Almost surely, 2^11541141515 is an apocalyptic number.

11541141515 is a deficient number, since it is larger than the sum of its proper divisors (2308228309).

11541141515 is an equidigital number, since it uses as much as digits as its factorization.

11541141515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308228308.

The product of its digits is 2000, while the sum is 29.

The spelling of 11541141515 in words is "eleven billion, five hundred forty-one million, one hundred forty-one thousand, five hundred fifteen".