11615601022055 has 16 divisors (see below), whose sum is σ = 14202149805504. Its totient is φ = 9116872477440.

The previous prime is 11615601022037. The next prime is 11615601022057. The reversal of 11615601022055 is 55022010651611.

It is not a de Polignac number, because 11615601022055 - 2⁸ = 11615601021799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11615601022057) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8245190 + ... + 9550620.

It is an arithmetic number, because the mean of its divisors is an integer number (887634362844).

Almost surely, 2^{11615601022055} is an apocalyptic number.

11615601022055 is a deficient number, since it is larger than the sum of its proper divisors (2586548783449).

11615601022055 is a wasteful number, since it uses less digits than its factorization.

11615601022055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339066.

The product of its (nonzero) digits is 18000, while the sum is 35.

Adding to 11615601022055 its reverse (55022010651611), we get a palindrome (66637611673666).

The spelling of 11615601022055 in words is "eleven trillion, six hundred fifteen billion, six hundred one million, twenty-two thousand, fifty-five".