11542415012 has 6 divisors (see below), whose sum is σ = 20199226278. Its totient is φ = 5771207504.

The previous prime is 11542415009. The next prime is 11542415021. The reversal of 11542415012 is 21051424511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6633450916 + 4908964096 = 81446^2 + 70064^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1442801873 + ... + 1442801880.

It is an arithmetic number, because the mean of its divisors is an integer number (3366537713).

Almost surely, 2^11542415012 is an apocalyptic number.

It is an amenable number.

11542415012 is a deficient number, since it is larger than the sum of its proper divisors (8656811266).

11542415012 is a wasteful number, since it uses less digits than its factorization.

11542415012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885603757 (or 2885603755 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 11542415012 its reverse (21051424511), we get a palindrome (32593839523).

The spelling of 11542415012 in words is "eleven billion, five hundred forty-two million, four hundred fifteen thousand, twelve".