42151544051 has 4 divisors (see below), whose sum is σ = 43605045600. Its totient is φ = 40698042504.

The previous prime is 42151544011. The next prime is 42151544129. The reversal of 42151544051 is 15044515124.

It is a happy number.

42151544051 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 de Polignac number, because none of the positive numbers 2^k-42151544051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42151543999 and 42151544017.

It is not an unprimeable number, because it can be changed into a prime (42151544011) 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, 726750731 + ... + 726750788.

It is an arithmetic number, because the mean of its divisors is an integer number (10901261400).

Almost surely, 2^42151544051 is an apocalyptic number.

42151544051 is a deficient number, since it is larger than the sum of its proper divisors (1453501549).

42151544051 is a wasteful number, since it uses less digits than its factorization.

42151544051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453501548.

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 42151544051 in words is "forty-two billion, one hundred fifty-one million, five hundred forty-four thousand, fifty-one".