265551144005 has 16 divisors (see below), whose sum is σ = 364259151360. Its totient is φ = 182054850432.

The previous prime is 265551143989. The next prime is 265551144097. The reversal of 265551144005 is 500441155562.

It is not a de Polignac number, because 265551144005 - 2⁴ = 265551143989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265551144005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604829 + ... + 947058.

It is an arithmetic number, because the mean of its divisors is an integer number (22766196960).

Almost surely, 2^265551144005 is an apocalyptic number.

It is an amenable number.

265551144005 is a deficient number, since it is larger than the sum of its proper divisors (98708007355).

265551144005 is a wasteful number, since it uses less digits than its factorization.

265551144005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556788.

The product of its (nonzero) digits is 120000, while the sum is 38.

Adding to 265551144005 its reverse (500441155562), we get a palindrome (765992299567).

The spelling of 265551144005 in words is "two hundred sixty-five billion, five hundred fifty-one million, one hundred forty-four thousand, five".