25021882011 has 32 divisors (see below), whose sum is σ = 38955532288. Its totient is φ = 13991201280.

The previous prime is 25021882009. The next prime is 25021882031. The reversal of 25021882011 is 11028812052.

It is not a de Polignac number, because 25021882011 - 2¹ = 25021882009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25021882011.

It is not an unprimeable number, because it can be changed into a prime (25021882031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130431 + ... + 258951.

It is an arithmetic number, because the mean of its divisors is an integer number (1217360384).

Almost surely, 2^25021882011 is an apocalyptic number.

25021882011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

25021882011 is a deficient number, since it is larger than the sum of its proper divisors (13933650277).

25021882011 is a wasteful number, since it uses less digits than its factorization.

25021882011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128731.

The product of its (nonzero) digits is 2560, while the sum is 30.

The spelling of 25021882011 in words is "twenty-five billion, twenty-one million, eight hundred eighty-two thousand, eleven".