25721506160411 has 8 divisors (see below), whose sum is σ = 25825641489648. Its totient is φ = 25617384000000.

The previous prime is 25721506160347. The next prime is 25721506160419. The reversal of 25721506160411 is 11406160512752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25721506160411 - 2⁶ = 25721506160347 is a prime.

It is a super-2 number, since 2×25721506160411² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25721506160419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631571 + ... + 7200131.

It is an arithmetic number, because the mean of its divisors is an integer number (3228205186206).

Almost surely, 2^{25721506160411} is an apocalyptic number.

25721506160411 is a deficient number, since it is larger than the sum of its proper divisors (104135329237).

25721506160411 is a wasteful number, since it uses less digits than its factorization.

25721506160411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6584413.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 25721506160411 in words is "twenty-five trillion, seven hundred twenty-one billion, five hundred six million, one hundred sixty thousand, four hundred eleven".