13500811761 has 8 divisors (see below), whose sum is σ = 18002224224. Its totient is φ = 8999970240.

The previous prime is 13500811733. The next prime is 13500811769. The reversal of 13500811761 is 16711800531.

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

It is not a de Polignac number, because 13500811761 - 2¹⁴ = 13500795377 is a prime.

It is a super-2 number, since 2×13500811761² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13500811769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84120 + ... + 184601.

It is an arithmetic number, because the mean of its divisors is an integer number (2250278028).

Almost surely, 2^13500811761 is an apocalyptic number.

It is an amenable number.

13500811761 is a deficient number, since it is larger than the sum of its proper divisors (4501412463).

13500811761 is a wasteful number, since it uses less digits than its factorization.

13500811761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285471.

The product of its (nonzero) digits is 5040, while the sum is 33.

The spelling of 13500811761 in words is "thirteen billion, five hundred million, eight hundred eleven thousand, seven hundred sixty-one".