42811955011 has 8 divisors (see below), whose sum is σ = 48933382400. Its totient is φ = 36691886088.

The previous prime is 42811955009. The next prime is 42811955033. The reversal of 42811955011 is 11055911824.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42811955011 - 2¹ = 42811955009 is a prime.

It is the 206911-st Hogben number.

It is not an unprimeable number, because it can be changed into a prime (42811955051) by changing a digit.

It is a nontrivial repunit in base 206910.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271161 + ... + 398938.

It is an arithmetic number, because the mean of its divisors is an integer number (6116672800).

Almost surely, 2^42811955011 is an apocalyptic number.

42811955011 is a deficient number, since it is larger than the sum of its proper divisors (6121427389).

42811955011 is an equidigital number, since it uses as much as digits as its factorization.

42811955011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679233.

The product of its (nonzero) digits is 14400, while the sum is 37.

The spelling of 42811955011 in words is "forty-two billion, eight hundred eleven million, nine hundred fifty-five thousand, eleven".