25124143982 has 16 divisors (see below), whose sum is σ = 43096901472. Its totient is φ = 10760755200.

The previous prime is 25124143969. The next prime is 25124143987. The reversal of 25124143982 is 28934142152.

It is a super-2 number, since 2×25124143982² (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 (25124143987) 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, 538043 + ... + 582870.

It is an arithmetic number, because the mean of its divisors is an integer number (2693556342).

Almost surely, 2^25124143982 is an apocalyptic number.

25124143982 is a deficient number, since it is larger than the sum of its proper divisors (17972757490).

25124143982 is a wasteful number, since it uses less digits than its factorization.

25124143982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122523.

The product of its digits is 138240, while the sum is 41.

The spelling of 25124143982 in words is "twenty-five billion, one hundred twenty-four million, one hundred forty-three thousand, nine hundred eighty-two".