25050100542 has 64 divisors (see below), whose sum is σ = 54394550784. Its totient is φ = 7659637760.

The previous prime is 25050100519. The next prime is 25050100547. The reversal of 25050100542 is 24500105052.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25050100547) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5463583 + ... + 5468165.

It is an arithmetic number, because the mean of its divisors is an integer number (849914856).

Almost surely, 2^25050100542 is an apocalyptic number.

25050100542 is an abundant number, since it is smaller than the sum of its proper divisors (29344450242).

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

25050100542 is a wasteful number, since it uses less digits than its factorization.

25050100542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5953.

The product of its (nonzero) digits is 2000, while the sum is 24.

Adding to 25050100542 its reverse (24500105052), we get a palindrome (49550205594).

The spelling of 25050100542 in words is "twenty-five billion, fifty million, one hundred thousand, five hundred forty-two".