25045052505254 has 16 divisors (see below), whose sum is σ = 40030795807488. Its totient is φ = 11710837587072.

The previous prime is 25045052505197. The next prime is 25045052505259. The reversal of 25045052505254 is 45250525054052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25045052505259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2345915654 + ... + 2345926329.

It is an arithmetic number, because the mean of its divisors is an integer number (2501924737968).

Almost surely, 2^{25045052505254} is an apocalyptic number.

25045052505254 is a deficient number, since it is larger than the sum of its proper divisors (14985743302234).

25045052505254 is a wasteful number, since it uses less digits than its factorization.

25045052505254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691842159.

The product of its (nonzero) digits is 2000000, while the sum is 44.

The spelling of 25045052505254 in words is "twenty-five trillion, forty-five billion, fifty-two million, five hundred five thousand, two hundred fifty-four".