25571007011 has 16 divisors (see below), whose sum is σ = 29551858560. Its totient is φ = 21867607680.

The previous prime is 25571007001. The next prime is 25571007019. The reversal of 25571007011 is 11070017552.

It is a cyclic number.

It is not a de Polignac number, because 25571007011 - 2⁶ = 25571006947 is a prime.

It is a super-2 number, since 2×25571007011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25571007019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337160 + ... + 405978.

It is an arithmetic number, because the mean of its divisors is an integer number (1846991160).

Almost surely, 2^25571007011 is an apocalyptic number.

25571007011 is a deficient number, since it is larger than the sum of its proper divisors (3980851549).

25571007011 is a wasteful number, since it uses less digits than its factorization.

25571007011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70834.

The product of its (nonzero) digits is 2450, while the sum is 29.

The spelling of 25571007011 in words is "twenty-five billion, five hundred seventy-one million, seven thousand, eleven".