25662277226652 has 48 divisors (see below), whose sum is σ = 65375224932864. Its totient is φ = 7770130416000.

The previous prime is 25662277226591. The next prime is 25662277226659.

25662277226652 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25662277226659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78802249 + ... + 79127232.

It is an arithmetic number, because the mean of its divisors is an integer number (1361983852768).

Almost surely, 2^{25662277226652} is an apocalyptic number.

25662277226652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25662277226652 is an abundant number, since it is smaller than the sum of its proper divisors (39712947706212).

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

25662277226652 is a wasteful number, since it uses less digits than its factorization.

25662277226652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157930730 (or 157930728 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 60.

The spelling of 25662277226652 in words is "twenty-five trillion, six hundred sixty-two billion, two hundred seventy-seven million, two hundred twenty-six thousand, six hundred fifty-two".