25145124034 has 16 divisors (see below), whose sum is σ = 37842651000. Its totient is φ = 12530939904.

The previous prime is 25145124019. The next prime is 25145124041. The reversal of 25145124034 is 43042154152.

It can be written as a sum of positive squares in 4 ways, for example, as 10480640625 + 14664483409 = 102375^2 + 121097^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25145123987 and 25145124005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870224 + ... + 1883620.

Almost surely, 2^25145124034 is an apocalyptic number.

25145124034 is a deficient number, since it is larger than the sum of its proper divisors (12697526966).

25145124034 is a wasteful number, since it uses less digits than its factorization.

25145124034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16437.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 25145124034 its reverse (43042154152), we get a palindrome (68187278186).

The spelling of 25145124034 in words is "twenty-five billion, one hundred forty-five million, one hundred twenty-four thousand, thirty-four".