4025255115721 has 64 divisors (see below), whose sum is σ = 4760923668480. Its totient is φ = 3332503944000.

The previous prime is 4025255115691. The next prime is 4025255115731. The reversal of 4025255115721 is 1275115525204.

It is not a de Polignac number, because 4025255115721 - 2¹³ = 4025255107529 is a prime.

It is a super-2 number, since 2×4025255115721² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4025255115731) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3703086040 + ... + 3703087126.

It is an arithmetic number, because the mean of its divisors is an integer number (74389432320).

Almost surely, 2^{4025255115721} is an apocalyptic number.

It is an amenable number.

4025255115721 is a deficient number, since it is larger than the sum of its proper divisors (735668552759).

4025255115721 is a wasteful number, since it uses less digits than its factorization.

4025255115721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874.

The product of its (nonzero) digits is 140000, while the sum is 40.

The spelling of 4025255115721 in words is "four trillion, twenty-five billion, two hundred fifty-five million, one hundred fifteen thousand, seven hundred twenty-one".