25231444121452 has 24 divisors (see below), whose sum is σ = 44408489448960. Its totient is φ = 12543325822800.

The previous prime is 25231444121449. The next prime is 25231444121491. The reversal of 25231444121452 is 25412144413252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000893 + ... + 7380139.

It is an arithmetic number, because the mean of its divisors is an integer number (1850353727040).

Almost surely, 2^{25231444121452} is an apocalyptic number.

It is an amenable number.

25231444121452 is a deficient number, since it is larger than the sum of its proper divisors (19177045327508).

25231444121452 is a wasteful number, since it uses less digits than its factorization.

25231444121452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385981 (or 5385979 counting only the distinct ones).

The product of its digits is 307200, while the sum is 40.

The spelling of 25231444121452 in words is "twenty-five trillion, two hundred thirty-one billion, four hundred forty-four million, one hundred twenty-one thousand, four hundred fifty-two".