25064513135 has 16 divisors (see below), whose sum is σ = 30672081216. Its totient is φ = 19658458368.

The previous prime is 25064513129. The next prime is 25064513147. The reversal of 25064513135 is 53131546052.

It is a cyclic number.

It is not a de Polignac number, because 25064513135 - 2¹⁰ = 25064512111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25064513095 and 25064513104.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 144644 + ... + 266553.

It is an arithmetic number, because the mean of its divisors is an integer number (1917005076).

Almost surely, 2^25064513135 is an apocalyptic number.

25064513135 is a deficient number, since it is larger than the sum of its proper divisors (5607568081).

25064513135 is a wasteful number, since it uses less digits than its factorization.

25064513135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411442.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 25064513135 in words is "twenty-five billion, sixty-four million, five hundred thirteen thousand, one hundred thirty-five".