25155041345 has 16 divisors (see below), whose sum is σ = 34508732160. Its totient is φ = 17243976384.

The previous prime is 25155041269. The next prime is 25155041381. The reversal of 25155041345 is 54314055152.

It is a cyclic number.

It is not a de Polignac number, because 25155041345 - 2¹⁸ = 25154779201 is a prime.

It is a super-2 number, since 2×25155041345² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

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, 11516 + ... + 224594.

It is an arithmetic number, because the mean of its divisors is an integer number (2156795760).

Almost surely, 2^25155041345 is an apocalyptic number.

It is an amenable number.

25155041345 is a deficient number, since it is larger than the sum of its proper divisors (9353690815).

25155041345 is a wasteful number, since it uses less digits than its factorization.

25155041345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216464.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 25155041345 its reverse (54314055152), we get a palindrome (79469096497).

The spelling of 25155041345 in words is "twenty-five billion, one hundred fifty-five million, forty-one thousand, three hundred forty-five".