11525515412342 has 64 divisors (see below), whose sum is σ = 18406307082240. Its totient is φ = 5401384903200.

The previous prime is 11525515412339. The next prime is 11525515412377. The reversal of 11525515412342 is 24321451552511.

It is a self number, because there is not a number n which added to its sum of digits gives 11525515412342.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1185869759 + ... + 1185879477.

It is an arithmetic number, because the mean of its divisors is an integer number (287598548160).

Almost surely, 2^{11525515412342} is an apocalyptic number.

11525515412342 is a deficient number, since it is larger than the sum of its proper divisors (6880791669898).

11525515412342 is a wasteful number, since it uses less digits than its factorization.

11525515412342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12329.

The product of its digits is 240000, while the sum is 41.

Adding to 11525515412342 its reverse (24321451552511), we get a palindrome (35846966964853).

The spelling of 11525515412342 in words is "eleven trillion, five hundred twenty-five billion, five hundred fifteen million, four hundred twelve thousand, three hundred forty-two".