25433112541420 has 24 divisors (see below), whose sum is σ = 53439899990400. Its totient is φ = 10167461463552.

The previous prime is 25433112541363. The next prime is 25433112541427. The reversal of 25433112541420 is 2414521133452.

It is a self number, because there is not a number n which added to its sum of digits gives 25433112541420.

It is not an unprimeable number, because it can be changed into a prime (25433112541427) 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, 361436005 + ... + 361506364.

It is an arithmetic number, because the mean of its divisors is an integer number (2226662499600).

Almost surely, 2^{25433112541420} is an apocalyptic number.

25433112541420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25433112541420 is an abundant number, since it is smaller than the sum of its proper divisors (28006787448980).

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

25433112541420 is a wasteful number, since it uses less digits than its factorization.

25433112541420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722944137 (or 722944135 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 25433112541420 its reverse (2414521133452), we get a palindrome (27847633674872).

The spelling of 25433112541420 in words is "twenty-five trillion, four hundred thirty-three billion, one hundred twelve million, five hundred forty-one thousand, four hundred twenty".