25045524145542 has 16 divisors (see below), whose sum is σ = 50199236305920. Its totient is φ = 8330476712712.

The previous prime is 25045524145513. The next prime is 25045524145583. The reversal of 25045524145542 is 24554142554052.

It is a junction number, because it is equal to n+sod(n) for n = 25045524145491 and 25045524145500.

It is a congruent number.

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, 4507830942 + ... + 4507836497.

It is an arithmetic number, because the mean of its divisors is an integer number (3137452269120).

Almost surely, 2^{25045524145542} is an apocalyptic number.

25045524145542 is an abundant number, since it is smaller than the sum of its proper divisors (25153712160378).

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

25045524145542 is a wasteful number, since it uses less digits than its factorization.

25045524145542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9015667907.

The product of its (nonzero) digits is 6400000, while the sum is 48.

Adding to 25045524145542 its reverse (24554142554052), we get a palindrome (49599666699594).

The spelling of 25045524145542 in words is "twenty-five trillion, forty-five billion, five hundred twenty-four million, one hundred forty-five thousand, five hundred forty-two".