11542444115 has 8 divisors (see below), whose sum is σ = 13878472608. Its totient is φ = 9215595520.

The previous prime is 11542444079. The next prime is 11542444141. The reversal of 11542444115 is 51144424511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11542444115 - 2³⁰ = 10468702291 is a prime.

It is a super-3 number, since 3×11542444115³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292206 + ... + 2297235.

It is an arithmetic number, because the mean of its divisors is an integer number (1734809076).

Almost surely, 2^11542444115 is an apocalyptic number.

11542444115 is a deficient number, since it is larger than the sum of its proper divisors (2336028493).

11542444115 is an equidigital number, since it uses as much as digits as its factorization.

11542444115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589949.

The product of its digits is 12800, while the sum is 32.

Adding to 11542444115 its reverse (51144424511), we get a palindrome (62686868626).

The spelling of 11542444115 in words is "eleven billion, five hundred forty-two million, four hundred forty-four thousand, one hundred fifteen".