25145522562 has 32 divisors (see below), whose sum is σ = 53257392000. Its totient is φ = 7887598848.

The previous prime is 25145522531. The next prime is 25145522617. The reversal of 25145522562 is 26522554152.

It is a self number, because there is not a number n which added to its sum of digits gives 25145522562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862764 + ... + 891432.

It is an arithmetic number, because the mean of its divisors is an integer number (1664293500).

Almost surely, 2^25145522562 is an apocalyptic number.

25145522562 is an abundant number, since it is smaller than the sum of its proper divisors (28111869438).

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

25145522562 is a wasteful number, since it uses less digits than its factorization.

25145522562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37290.

The product of its digits is 240000, while the sum is 39.

The spelling of 25145522562 in words is "twenty-five billion, one hundred forty-five million, five hundred twenty-two thousand, five hundred sixty-two".