25253532011 has 4 divisors (see below), whose sum is σ = 26739033912. Its totient is φ = 23768030112.

The previous prime is 25253531981. The next prime is 25253532013. The reversal of 25253532011 is 11023535252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25253532011 - 2¹⁴ = 25253515627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25253532013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742750925 + ... + 742750958.

It is an arithmetic number, because the mean of its divisors is an integer number (6684758478).

Almost surely, 2^25253532011 is an apocalyptic number.

25253532011 is a deficient number, since it is larger than the sum of its proper divisors (1485501901).

25253532011 is a wasteful number, since it uses less digits than its factorization.

25253532011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485501900.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 25253532011 in words is "twenty-five billion, two hundred fifty-three million, five hundred thirty-two thousand, eleven".