25545342127 has 8 divisors (see below), whose sum is σ = 26705293920. Its totient is φ = 24389497440.

The previous prime is 25545342103. The next prime is 25545342149. The reversal of 25545342127 is 72124354552.

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 25545342127 - 2⁷ = 25545341999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25545342127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25545342197) 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, 1014052 + ... + 1038937.

It is an arithmetic number, because the mean of its divisors is an integer number (3338161740).

Almost surely, 2^25545342127 is an apocalyptic number.

25545342127 is a deficient number, since it is larger than the sum of its proper divisors (1159951793).

25545342127 is a wasteful number, since it uses less digits than its factorization.

25545342127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053553.

The product of its digits is 336000, while the sum is 40.

Adding to 25545342127 its reverse (72124354552), we get a palindrome (97669696679).

The spelling of 25545342127 in words is "twenty-five billion, five hundred forty-five million, three hundred forty-two thousand, one hundred twenty-seven".