25516022532612 has 144 divisors (see below), whose sum is σ = 64777679124480. Its totient is φ = 7795370975040.

The previous prime is 25516022532587. The next prime is 25516022532613. The reversal of 25516022532612 is 21623522061552.

It is not an unprimeable number, because it can be changed into a prime (25516022532613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 793812213 + ... + 793844355.

It is an arithmetic number, because the mean of its divisors is an integer number (449844993920).

Almost surely, 2^{25516022532612} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25516022532612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32388839562240).

25516022532612 is an abundant number, since it is smaller than the sum of its proper divisors (39261656591868).

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

25516022532612 is a wasteful number, since it uses less digits than its factorization.

25516022532612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35854 (or 35821 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 25516022532612 in words is "twenty-five trillion, five hundred sixteen billion, twenty-two million, five hundred thirty-two thousand, six hundred twelve".