265725777151 has 4 divisors (see below), whose sum is σ = 265734547672. Its totient is φ = 265717006632.

The previous prime is 265725777137. The next prime is 265725777169. The reversal of 265725777151 is 151777527562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 265725777151 - 2²⁷ = 265591559423 is a prime.

It is a super-2 number, since 2×265725777151² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265725777092 and 265725777101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265725777101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4339656 + ... + 4400461.

It is an arithmetic number, because the mean of its divisors is an integer number (66433636918).

Almost surely, 2^265725777151 is an apocalyptic number.

265725777151 is a deficient number, since it is larger than the sum of its proper divisors (8770521).

265725777151 is an equidigital number, since it uses as much as digits as its factorization.

265725777151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8770520.

The product of its digits is 7203000, while the sum is 55.

The spelling of 265725777151 in words is "two hundred sixty-five billion, seven hundred twenty-five million, seven hundred seventy-seven thousand, one hundred fifty-one".