42648661151 has 4 divisors (see below), whose sum is σ = 42651139032. Its totient is φ = 42646183272.

The previous prime is 42648661109. The next prime is 42648661177. The reversal of 42648661151 is 15116684624.

It is a happy number.

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 42648661151 - 2²² = 42644466847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42648664151) 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, 1212941 + ... + 1247606.

It is an arithmetic number, because the mean of its divisors is an integer number (10662784758).

Almost surely, 2^42648661151 is an apocalyptic number.

42648661151 is a deficient number, since it is larger than the sum of its proper divisors (2477881).

42648661151 is a wasteful number, since it uses less digits than its factorization.

42648661151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477880.

The product of its digits is 276480, while the sum is 44.

The spelling of 42648661151 in words is "forty-two billion, six hundred forty-eight million, six hundred sixty-one thousand, one hundred fifty-one".