265278080725 has 72 divisors (see below), whose sum is σ = 391427232768. Its totient is φ = 174694329600.

The previous prime is 265278080723. The next prime is 265278080759. The reversal of 265278080725 is 527080872562.

It is not a de Polignac number, because 265278080725 - 2¹ = 265278080723 is a prime.

It is a super-2 number, since 2×265278080725² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265278080723) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 28105707 + ... + 28115143.

It is an arithmetic number, because the mean of its divisors is an integer number (5436489344).

Almost surely, 2^265278080725 is an apocalyptic number.

265278080725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265278080725 is a deficient number, since it is larger than the sum of its proper divisors (126149152043).

265278080725 is a wasteful number, since it uses less digits than its factorization.

265278080725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9703 (or 9669 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 265278080725 in words is "two hundred sixty-five billion, two hundred seventy-eight million, eighty thousand, seven hundred twenty-five".