25455788775042 has 16 divisors (see below), whose sum is σ = 51167414625600. Its totient is φ = 8442623412432.

The previous prime is 25455788774959. The next prime is 25455788775049. The reversal of 25455788775042 is 24057788755452.

It is not an unprimeable number, because it can be changed into a prime (25455788775049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10659876853 + ... + 10659879240.

It is an arithmetic number, because the mean of its divisors is an integer number (3197963414100).

Almost surely, 2^{25455788775042} is an apocalyptic number.

25455788775042 is an abundant number, since it is smaller than the sum of its proper divisors (25711625850558).

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

25455788775042 is a wasteful number, since it uses less digits than its factorization.

25455788775042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21319756297.

The product of its (nonzero) digits is 878080000, while the sum is 69.

The spelling of 25455788775042 in words is "twenty-five trillion, four hundred fifty-five billion, seven hundred eighty-eight million, seven hundred seventy-five thousand, forty-two".