25415133432501 has 16 divisors (see below), whose sum is σ = 34141791536064. Its totient is φ = 16816288287744.

The previous prime is 25415133432463. The next prime is 25415133432511. The reversal of 25415133432501 is 10523433151452.

It is not a de Polignac number, because 25415133432501 - 2¹⁰ = 25415133431477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25415133432501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25415133432511) 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 15 ways as a sum of consecutive naturals, for example, 42135051 + ... + 42733976.

It is an arithmetic number, because the mean of its divisors is an integer number (2133861971004).

Almost surely, 2^{25415133432501} is an apocalyptic number.

It is an amenable number.

25415133432501 is a deficient number, since it is larger than the sum of its proper divisors (8726658103563).

25415133432501 is a wasteful number, since it uses less digits than its factorization.

25415133432501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84869780.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 25415133432501 its reverse (10523433151452), we get a palindrome (35938566583953).

The spelling of 25415133432501 in words is "twenty-five trillion, four hundred fifteen billion, one hundred thirty-three million, four hundred thirty-two thousand, five hundred one".