12011445113455 has 32 divisors (see below), whose sum is σ = 14867825918400. Its totient is φ = 9308780439552.

The previous prime is 12011445113429. The next prime is 12011445113543. The reversal of 12011445113455 is 55431154411021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011445113455 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39302919 + ... + 39607351.

It is an arithmetic number, because the mean of its divisors is an integer number (464619559950).

Almost surely, 2^{12011445113455} is an apocalyptic number.

12011445113455 is a deficient number, since it is larger than the sum of its proper divisors (2856380804945).

12011445113455 is a wasteful number, since it uses less digits than its factorization.

12011445113455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305403.

The product of its (nonzero) digits is 48000, while the sum is 37.

Adding to 12011445113455 its reverse (55431154411021), we get a palindrome (67442599524476).

The spelling of 12011445113455 in words is "twelve trillion, eleven billion, four hundred forty-five million, one hundred thirteen thousand, four hundred fifty-five".