266013004500541 has 8 divisors (see below), whose sum is σ = 269525479441400. Its totient is φ = 262516245331968.

The previous prime is 266013004500511. The next prime is 266013004500547. The reversal of 266013004500541 is 145005400310662.

It can be written as a sum of positive squares in 4 ways, for example, as 36001020007225 + 230011984493316 = 6000085^2 + 15166146^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 266013004500541 - 2³¹ = 266010857016893 is a prime.

It is a super-4 number, since 4×266013004500541⁴ (a number of 59 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 266013004500541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266013004500547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3928908996 + ... + 3928976701.

It is an arithmetic number, because the mean of its divisors is an integer number (33690684930175).

Almost surely, 2^{266013004500541} is an apocalyptic number.

It is an amenable number.

266013004500541 is a deficient number, since it is larger than the sum of its proper divisors (3512474940859).

266013004500541 is an equidigital number, since it uses as much as digits as its factorization.

266013004500541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7857886143.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 266013004500541 in words is "two hundred sixty-six trillion, thirteen billion, four million, five hundred thousand, five hundred forty-one".