25345354011 has 4 divisors (see below), whose sum is σ = 33793805352. Its totient is φ = 16896902672.

The previous prime is 25345353959. The next prime is 25345354049. The reversal of 25345354011 is 11045354352.

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 25345354011 - 2¹⁸ = 25345091867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25345354061) 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, 4224225666 + ... + 4224225671.

It is an arithmetic number, because the mean of its divisors is an integer number (8448451338).

Almost surely, 2^25345354011 is an apocalyptic number.

25345354011 is a deficient number, since it is larger than the sum of its proper divisors (8448451341).

25345354011 is an equidigital number, since it uses as much as digits as its factorization.

25345354011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448451340.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 25345354011 in words is "twenty-five billion, three hundred forty-five million, three hundred fifty-four thousand, eleven".