42072999111 has 48 divisors (see below), whose sum is σ = 72300533760. Its totient is φ = 23239344960.

The previous prime is 42072999097. The next prime is 42072999127. The reversal of 42072999111 is 11199927024.

It is a happy number.

42072999111 is a `hidden beast` number, since 420 + 7 + 29 + 99 + 111 = 666.

It is not a de Polignac number, because 42072999111 - 2⁵ = 42072999079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42072999191) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105231 + ... + 308576.

It is an arithmetic number, because the mean of its divisors is an integer number (1506261120).

Almost surely, 2^42072999111 is an apocalyptic number.

42072999111 is a deficient number, since it is larger than the sum of its proper divisors (30227534649).

42072999111 is a wasteful number, since it uses less digits than its factorization.

42072999111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413916 (or 413913 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 42072999111 in words is "forty-two billion, seventy-two million, nine hundred ninety-nine thousand, one hundred eleven".