25415651452 has 24 divisors (see below), whose sum is σ = 46506571776. Its totient is φ = 12130330608.

The previous prime is 25415651449. The next prime is 25415651461.

25415651452 is nontrivially palindromic in base 10.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 238828 + ... + 328435.

It is an arithmetic number, because the mean of its divisors is an integer number (1937773824).

Almost surely, 2^25415651452 is an apocalyptic number.

It is an amenable number.

25415651452 is a deficient number, since it is larger than the sum of its proper divisors (21090920324).

25415651452 is a wasteful number, since it uses less digits than its factorization.

25415651452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567777 (or 567775 counting only the distinct ones).

The product of its digits is 240000, while the sum is 40.

The spelling of 25415651452 in words is "twenty-five billion, four hundred fifteen million, six hundred fifty-one thousand, four hundred fifty-two".