11980285533642 has 16 divisors (see below), whose sum is σ = 23986872473472. Its totient is φ = 3989044943520.

The previous prime is 11980285533631. The next prime is 11980285533737. The reversal of 11980285533642 is 24633558208911.

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 7 ways as a sum of consecutive naturals, for example, 1095886003 + ... + 1095896934.

It is an arithmetic number, because the mean of its divisors is an integer number (1499179529592).

Almost surely, 2^{11980285533642} is an apocalyptic number.

11980285533642 is an abundant number, since it is smaller than the sum of its proper divisors (12006586939830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11980285533642 is a wasteful number, since it uses less digits than its factorization.

11980285533642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191783853.

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 11980285533642 in words is "eleven trillion, nine hundred eighty billion, two hundred eighty-five million, five hundred thirty-three thousand, six hundred forty-two".