25206071007 has 16 divisors (see below), whose sum is σ = 36210341888. Its totient is φ = 15504138720.

The previous prime is 25206070973. The next prime is 25206071017. The reversal of 25206071007 is 70017060252.

It is not a de Polignac number, because 25206071007 - 2¹⁴ = 25206054623 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 (25206071017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67219 + ... + 234372.

It is an arithmetic number, because the mean of its divisors is an integer number (2263146368).

Almost surely, 2^25206071007 is an apocalyptic number.

25206071007 is a deficient number, since it is larger than the sum of its proper divisors (11004270881).

25206071007 is a wasteful number, since it uses less digits than its factorization.

25206071007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303750.

The product of its (nonzero) digits is 5880, while the sum is 30.

The spelling of 25206071007 in words is "twenty-five billion, two hundred six million, seventy-one thousand, seven".