265235531551045 has 16 divisors (see below), whose sum is σ = 359190437713920. Its totient is φ = 186246893627200.

The previous prime is 265235531550947. The next prime is 265235531551049. The reversal of 265235531551045 is 540155135532562.

It is a happy number.

It is not a de Polignac number, because 265235531551045 - 2¹⁵ = 265235531518277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265235531550983 and 265235531551001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265235531551049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83145933061 + ... + 83145936250.

It is an arithmetic number, because the mean of its divisors is an integer number (22449402357120).

Almost surely, 2^{265235531551045} is an apocalyptic number.

It is an amenable number.

265235531551045 is a deficient number, since it is larger than the sum of its proper divisors (93954906162875).

265235531551045 is a wasteful number, since it uses less digits than its factorization.

265235531551045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166291869356.

The product of its (nonzero) digits is 13500000, while the sum is 52.

The spelling of 265235531551045 in words is "two hundred sixty-five trillion, two hundred thirty-five billion, five hundred thirty-one million, five hundred fifty-one thousand, forty-five".