855725518342 has 4 divisors (see below), whose sum is σ = 1283588277516. Its totient is φ = 427862759170.

The previous prime is 855725518321. The next prime is 855725518391. The reversal of 855725518342 is 243815527558.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213931379584 + ... + 213931379587.

It is an arithmetic number, because the mean of its divisors is an integer number (320897069379).

Almost surely, 2^855725518342 is an apocalyptic number.

855725518342 is a deficient number, since it is larger than the sum of its proper divisors (427862759174).

855725518342 is a wasteful number, since it uses less digits than its factorization.

855725518342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427862759173.

The product of its digits is 13440000, while the sum is 55.

The spelling of 855725518342 in words is "eight hundred fifty-five billion, seven hundred twenty-five million, five hundred eighteen thousand, three hundred forty-two".