11542215113 has 8 divisors (see below), whose sum is σ = 13560085056. Its totient is φ = 9685774800.

The previous prime is 11542215109. The next prime is 11542215137. The reversal of 11542215113 is 31151224511.

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

It is not a de Polignac number, because 11542215113 - 2² = 11542215109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11542215313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40357253 + ... + 40357538.

It is an arithmetic number, because the mean of its divisors is an integer number (1695010632).

Almost surely, 2^11542215113 is an apocalyptic number.

11542215113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11542215113 is a deficient number, since it is larger than the sum of its proper divisors (2017869943).

11542215113 is a wasteful number, since it uses less digits than its factorization.

11542215113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80714815.

The product of its digits is 1200, while the sum is 26.

Adding to 11542215113 its reverse (31151224511), we get a palindrome (42693439624).

The spelling of 11542215113 in words is "eleven billion, five hundred forty-two million, two hundred fifteen thousand, one hundred thirteen".