25715743002542 has 8 divisors (see below), whose sum is σ = 38587144366632. Its totient is φ = 12853361547000.

The previous prime is 25715743002487. The next prime is 25715743002611. The reversal of 25715743002542 is 24520034751752.

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

It is a super-2 number, since 2×25715743002542² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254970009 + ... + 2254981412.

It is an arithmetic number, because the mean of its divisors is an integer number (4823393045829).

Almost surely, 2^{25715743002542} is an apocalyptic number.

25715743002542 is a deficient number, since it is larger than the sum of its proper divisors (12871401364090).

25715743002542 is a wasteful number, since it uses less digits than its factorization.

25715743002542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509954274.

The product of its (nonzero) digits is 2352000, while the sum is 47.

The spelling of 25715743002542 in words is "twenty-five trillion, seven hundred fifteen billion, seven hundred forty-three million, two thousand, five hundred forty-two".