25556541342342 has 8 divisors (see below), whose sum is σ = 51113082684696. Its totient is φ = 8518847114112.

The previous prime is 25556541342239. The next prime is 25556541342347. The reversal of 25556541342342 is 24324314565552.

It is a sphenic number, since it is the product of 3 distinct primes.

25556541342342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25556541342347) 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, 2129711778523 + ... + 2129711778534.

It is an arithmetic number, because the mean of its divisors is an integer number (6389135335587).

Almost surely, 2^{25556541342342} is an apocalyptic number.

25556541342342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25556541342342 is a wasteful number, since it uses less digits than its factorization.

25556541342342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259423557062.

The product of its digits is 17280000, while the sum is 51.

The spelling of 25556541342342 in words is "twenty-five trillion, five hundred fifty-six billion, five hundred forty-one million, three hundred forty-two thousand, three hundred forty-two".