42774252611 has 4 divisors (see below), whose sum is σ = 42836880312. Its totient is φ = 42711624912.

The previous prime is 42774252593. The next prime is 42774252643. The reversal of 42774252611 is 11625247724.

42774252611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42774252611 - 2²⁶ = 42707143747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42774252511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31312826 + ... + 31314191.

It is an arithmetic number, because the mean of its divisors is an integer number (10709220078).

Almost surely, 2^42774252611 is an apocalyptic number.

42774252611 is a deficient number, since it is larger than the sum of its proper divisors (62627701).

42774252611 is an equidigital number, since it uses as much as digits as its factorization.

42774252611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62627700.

The product of its digits is 188160, while the sum is 41.

The spelling of 42774252611 in words is "forty-two billion, seven hundred seventy-four million, two hundred fifty-two thousand, six hundred eleven".