25132000056243 has 4 divisors (see below), whose sum is σ = 33509333408328. Its totient is φ = 16754666704160.

The previous prime is 25132000056239. The next prime is 25132000056259. The reversal of 25132000056243 is 34265000023152.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25132000056243 - 2² = 25132000056239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25132000051243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4188666676038 + ... + 4188666676043.

It is an arithmetic number, because the mean of its divisors is an integer number (8377333352082).

Almost surely, 2^{25132000056243} is an apocalyptic number.

25132000056243 is a deficient number, since it is larger than the sum of its proper divisors (8377333352085).

25132000056243 is an equidigital number, since it uses as much as digits as its factorization.

25132000056243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8377333352084.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 25132000056243 its reverse (34265000023152), we get a palindrome (59397000079395).

The spelling of 25132000056243 in words is "twenty-five trillion, one hundred thirty-two billion, fifty-six thousand, two hundred forty-three".