25045143511 has 8 divisors (see below), whose sum is σ = 25384060800. Its totient is φ = 24707111352.

The previous prime is 25045143491. The next prime is 25045143533. The reversal of 25045143511 is 11534154052.

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

It is a cyclic number.

It is not a de Polignac number, because 25045143511 - 2⁵ = 25045143479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25045143551) 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, 164211 + ... + 277588.

It is an arithmetic number, because the mean of its divisors is an integer number (3173007600).

Almost surely, 2^25045143511 is an apocalyptic number.

25045143511 is a deficient number, since it is larger than the sum of its proper divisors (338917289).

25045143511 is an equidigital number, since it uses as much as digits as its factorization.

25045143511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442565.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 25045143511 its reverse (11534154052), we get a palindrome (36579297563).

The spelling of 25045143511 in words is "twenty-five billion, forty-five million, one hundred forty-three thousand, five hundred eleven".