42312657755 has 4 divisors (see below), whose sum is σ = 50775189312. Its totient is φ = 33850126200.

The previous prime is 42312657713. The next prime is 42312657757. The reversal of 42312657755 is 55775621324.

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

It is not a de Polignac number, because 42312657755 - 2¹⁰ = 42312656731 is a prime.

It is a super-2 number, since 2×42312657755² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42312657757) 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, 4231265771 + ... + 4231265780.

It is an arithmetic number, because the mean of its divisors is an integer number (12693797328).

Almost surely, 2^42312657755 is an apocalyptic number.

42312657755 is a deficient number, since it is larger than the sum of its proper divisors (8462531557).

42312657755 is an equidigital number, since it uses as much as digits as its factorization.

42312657755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8462531556.

The product of its digits is 1764000, while the sum is 47.

The spelling of 42312657755 in words is "forty-two billion, three hundred twelve million, six hundred fifty-seven thousand, seven hundred fifty-five".