25141487189 has 16 divisors (see below), whose sum is σ = 31103718912. Its totient is φ = 19789083648.

The previous prime is 25141487179. The next prime is 25141487201. The reversal of 25141487189 is 98178414152.

It is a cyclic number.

It is not a de Polignac number, because 25141487189 - 2⁸ = 25141486933 is a prime.

It is a super-2 number, since 2×25141487189² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25141487179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698189 + ... + 733314.

It is an arithmetic number, because the mean of its divisors is an integer number (1943982432).

Almost surely, 2^25141487189 is an apocalyptic number.

It is an amenable number.

25141487189 is a deficient number, since it is larger than the sum of its proper divisors (5962231723).

25141487189 is a wasteful number, since it uses less digits than its factorization.

25141487189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431716.

The product of its digits is 645120, while the sum is 50.

The spelling of 25141487189 in words is "twenty-five billion, one hundred forty-one million, four hundred eighty-seven thousand, one hundred eighty-nine".