25473166137452 has 48 divisors (see below), whose sum is σ = 50643560669184. Its totient is φ = 11106043872000.

The previous prime is 25473166137443. The next prime is 25473166137473.

It is a happy number.

25473166137452 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82480124 + ... + 82788387.

It is an arithmetic number, because the mean of its divisors is an integer number (1055074180608).

Almost surely, 2^{25473166137452} is an apocalyptic number.

25473166137452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25473166137452 is a deficient number, since it is larger than the sum of its proper divisors (25170394531732).

25473166137452 is a wasteful number, since it uses less digits than its factorization.

25473166137452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165268670 (or 165268668 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 56.

The spelling of 25473166137452 in words is "twenty-five trillion, four hundred seventy-three billion, one hundred sixty-six million, one hundred thirty-seven thousand, four hundred fifty-two".