25541451143 has 12 divisors (see below), whose sum is σ = 28331887248. Its totient is φ = 23001675840.

The previous prime is 25541451139. The next prime is 25541451181. The reversal of 25541451143 is 34115414552.

It is a happy number.

It is not a de Polignac number, because 25541451143 - 2² = 25541451139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25541451193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1836155 + ... + 1850012.

It is an arithmetic number, because the mean of its divisors is an integer number (2360990604).

Almost surely, 2^25541451143 is an apocalyptic number.

25541451143 is a deficient number, since it is larger than the sum of its proper divisors (2790436105).

25541451143 is a wasteful number, since it uses less digits than its factorization.

25541451143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686234 (or 3686221 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

Adding to 25541451143 its reverse (34115414552), we get a palindrome (59656865695).

The spelling of 25541451143 in words is "twenty-five billion, five hundred forty-one million, four hundred fifty-one thousand, one hundred forty-three".