11620542064641 has 16 divisors (see below), whose sum is σ = 15521565523200. Its totient is φ = 7733279473920.

The previous prime is 11620542064639. The next prime is 11620542064697. The reversal of 11620542064641 is 14646024502611.

It is a happy number.

It is not a de Polignac number, because 11620542064641 - 2¹ = 11620542064639 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11620542064593 and 11620542064602.

It is not an unprimeable number, because it can be changed into a prime (11620542064141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6814585 + ... + 8347433.

It is an arithmetic number, because the mean of its divisors is an integer number (970097845200).

Almost surely, 2^{11620542064641} is an apocalyptic number.

It is an amenable number.

11620542064641 is a deficient number, since it is larger than the sum of its proper divisors (3901023458559).

11620542064641 is a wasteful number, since it uses less digits than its factorization.

11620542064641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537336.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 11620542064641 in words is "eleven trillion, six hundred twenty billion, five hundred forty-two million, sixty-four thousand, six hundred forty-one".