11542060649 has 16 divisors (see below), whose sum is σ = 13425974016. Its totient is φ = 9717364800.

The previous prime is 11542060619. The next prime is 11542060661. The reversal of 11542060649 is 94606024511.

It is a cyclic number.

It is not a de Polignac number, because 11542060649 - 2²⁰ = 11541012073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11542060619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291839 + ... + 329019.

It is an arithmetic number, because the mean of its divisors is an integer number (839123376).

Almost surely, 2^11542060649 is an apocalyptic number.

It is an amenable number.

11542060649 is a deficient number, since it is larger than the sum of its proper divisors (1883913367).

11542060649 is an equidigital number, since it uses as much as digits as its factorization.

11542060649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37976.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 11542060649 in words is "eleven billion, five hundred forty-two million, sixty thousand, six hundred forty-nine".