11512332505455 has 16 divisors (see below), whose sum is σ = 18560340653184. Its totient is φ = 6093041121440.

The previous prime is 11512332505423. The next prime is 11512332505501. The reversal of 11512332505455 is 55450523321511.

It is not a de Polignac number, because 11512332505455 - 2⁵ = 11512332505423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2929344729 + ... + 2929348658.

It is an arithmetic number, because the mean of its divisors is an integer number (1160021290824).

Almost surely, 2^{11512332505455} is an apocalyptic number.

11512332505455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11512332505455 is a deficient number, since it is larger than the sum of its proper divisors (7048008147729).

11512332505455 is a wasteful number, since it uses less digits than its factorization.

11512332505455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858693526.

The product of its (nonzero) digits is 450000, while the sum is 42.

Adding to 11512332505455 its reverse (55450523321511), we get a palindrome (66962855826966).

The spelling of 11512332505455 in words is "eleven trillion, five hundred twelve billion, three hundred thirty-two million, five hundred five thousand, four hundred fifty-five".