2111655504242 has 8 divisors (see below), whose sum is σ = 3167597511936. Its totient is φ = 1055789666932.

The previous prime is 2111655504227. The next prime is 2111655504269. The reversal of 2111655504242 is 2424055561112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2111655504196 and 2111655504205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18973238 + ... + 19084209.

It is an arithmetic number, because the mean of its divisors is an integer number (395949688992).

Almost surely, 2^{2111655504242} is an apocalyptic number.

2111655504242 is a deficient number, since it is larger than the sum of its proper divisors (1055942007694).

2111655504242 is a wasteful number, since it uses less digits than its factorization.

2111655504242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38085192.

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 2111655504242 in words is "two trillion, one hundred eleven billion, six hundred fifty-five million, five hundred four thousand, two hundred forty-two".