25145035041 has 32 divisors (see below), whose sum is σ = 38428622848. Its totient is φ = 14326528320.

The previous prime is 25145035037. The next prime is 25145035079. The reversal of 25145035041 is 14053054152.

It is not a de Polignac number, because 25145035041 - 2² = 25145035037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25145035031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18948120 + ... + 18949446.

It is an arithmetic number, because the mean of its divisors is an integer number (1200894464).

Almost surely, 2^25145035041 is an apocalyptic number.

25145035041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25145035041 is a deficient number, since it is larger than the sum of its proper divisors (13283587807).

25145035041 is a wasteful number, since it uses less digits than its factorization.

25145035041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 25145035041 its reverse (14053054152), we get a palindrome (39198089193).

The spelling of 25145035041 in words is "twenty-five billion, one hundred forty-five million, thirty-five thousand, forty-one".