25553043231142 has 16 divisors (see below), whose sum is σ = 43805284215840. Its totient is φ = 10951287429888.

The previous prime is 25553043231101. The next prime is 25553043231151. The reversal of 25553043231142 is 24113234035552.

It is a super-2 number, since 2×25553043231142² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25553043231095 and 25553043231104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13534998 + ... + 15306934.

It is an arithmetic number, because the mean of its divisors is an integer number (2737830263490).

Almost surely, 2^{25553043231142} is an apocalyptic number.

25553043231142 is a deficient number, since it is larger than the sum of its proper divisors (18252240984698).

25553043231142 is a wasteful number, since it uses less digits than its factorization.

25553043231142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802015.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 25553043231142 its reverse (24113234035552), we get a palindrome (49666277266694).

The spelling of 25553043231142 in words is "twenty-five trillion, five hundred fifty-three billion, forty-three million, two hundred thirty-one thousand, one hundred forty-two".