42005611115 has 16 divisors (see below), whose sum is σ = 54523330848. Its totient is φ = 30882867456.

The previous prime is 42005611093. The next prime is 42005611147. The reversal of 42005611115 is 51111650024.

It is a cyclic number.

It is not a de Polignac number, because 42005611115 - 2⁶ = 42005611051 is a prime.

It is a super-2 number, since 2×42005611115² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1408682 + ... + 1438191.

It is an arithmetic number, because the mean of its divisors is an integer number (3407708178).

Almost surely, 2^42005611115 is an apocalyptic number.

42005611115 is a deficient number, since it is larger than the sum of its proper divisors (12517719733).

42005611115 is a wasteful number, since it uses less digits than its factorization.

42005611115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847118.

The product of its (nonzero) digits is 1200, while the sum is 26.

The spelling of 42005611115 in words is "forty-two billion, five million, six hundred eleven thousand, one hundred fifteen".