25513744130543 has 8 divisors (see below), whose sum is σ = 25554080714112. Its totient is φ = 25473435808216.

The previous prime is 25513744130519. The next prime is 25513744130579. The reversal of 25513744130543 is 34503144731552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25513744130543 - 2²² = 25513739936239 is a prime.

It is a super-2 number, since 2×25513744130543² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25513744130513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5257955 + ... + 8869812.

It is an arithmetic number, because the mean of its divisors is an integer number (3194260089264).

Almost surely, 2^{25513744130543} is an apocalyptic number.

25513744130543 is a deficient number, since it is larger than the sum of its proper divisors (40336583569).

25513744130543 is a wasteful number, since it uses less digits than its factorization.

25513744130543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14130621.

The product of its (nonzero) digits is 3024000, while the sum is 47.

The spelling of 25513744130543 in words is "twenty-five trillion, five hundred thirteen billion, seven hundred forty-four million, one hundred thirty thousand, five hundred forty-three".