11115016542 has 24 divisors (see below), whose sum is σ = 27522898416. Its totient is φ = 3175718976.

The previous prime is 11115016541. The next prime is 11115016553. The reversal of 11115016542 is 24561051111.

11115016542 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 5 + 0 + 1 + 654 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115016541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44107083 + ... + 44107334.

It is an arithmetic number, because the mean of its divisors is an integer number (1146787434).

Almost surely, 2^11115016542 is an apocalyptic number.

11115016542 is an abundant number, since it is smaller than the sum of its proper divisors (16407881874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11115016542 is a wasteful number, since it uses less digits than its factorization.

11115016542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88214432 (or 88214429 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 11115016542 its reverse (24561051111), we get a palindrome (35676067653).

The spelling of 11115016542 in words is "eleven billion, one hundred fifteen million, sixteen thousand, five hundred forty-two".