25553043231140 has 48 divisors (see below), whose sum is σ = 54421363914624. Its totient is φ = 10076482617600.

The previous prime is 25553043231101. The next prime is 25553043231151. The reversal of 25553043231140 is 4113234035552.

It is a junction number, because it is equal to n+sod(n) for n = 25553043231094 and 25553043231103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17984360 + ... + 19353120.

It is an arithmetic number, because the mean of its divisors is an integer number (1133778414888).

Almost surely, 2^{25553043231140} is an apocalyptic number.

25553043231140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25553043231140 is an abundant number, since it is smaller than the sum of its proper divisors (28868320683484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25553043231140 is a wasteful number, since it uses less digits than its factorization.

25553043231140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381988 (or 1381986 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 25553043231140 its reverse (4113234035552), we get a palindrome (29666277266692).

The spelling of 25553043231140 in words is "twenty-five trillion, five hundred fifty-three billion, forty-three million, two hundred thirty-one thousand, one hundred forty".