25261083501 has 8 divisors (see below), whose sum is σ = 34316943840. Its totient is φ = 16522972752.

The previous prime is 25261083493. The next prime is 25261083541. The reversal of 25261083501 is 10538016252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25261083501 - 2³ = 25261083493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25261083541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79437211 + ... + 79437528.

It is an arithmetic number, because the mean of its divisors is an integer number (4289617980).

Almost surely, 2^25261083501 is an apocalyptic number.

It is an amenable number.

25261083501 is a deficient number, since it is larger than the sum of its proper divisors (9055860339).

25261083501 is a wasteful number, since it uses less digits than its factorization.

25261083501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158874795.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 25261083501 its reverse (10538016252), we get a palindrome (35799099753).

The spelling of 25261083501 in words is "twenty-five billion, two hundred sixty-one million, eighty-three thousand, five hundred one".