25142521412044 has 12 divisors (see below), whose sum is σ = 43999751182464. Its totient is φ = 12571163931344.

The previous prime is 25142521411999. The next prime is 25142521412053. The reversal of 25142521412044 is 44021412524152.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25142521411994 and 25142521412012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23607532 + ... + 24649555.

It is an arithmetic number, because the mean of its divisors is an integer number (3666645931872).

Almost surely, 2^{25142521412044} is an apocalyptic number.

It is an amenable number.

25142521412044 is a deficient number, since it is larger than the sum of its proper divisors (18857229770420).

25142521412044 is a wasteful number, since it uses less digits than its factorization.

25142521412044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48387344 (or 48387342 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 37.

Adding to 25142521412044 its reverse (44021412524152), we get a palindrome (69163933936196).

The spelling of 25142521412044 in words is "twenty-five trillion, one hundred forty-two billion, five hundred twenty-one million, four hundred twelve thousand, forty-four".