13765116501 has 6 divisors (see below), whose sum is σ = 19882946070. Its totient is φ = 9176744328.

The previous prime is 13765116473. The next prime is 13765116503. The reversal of 13765116501 is 10561156731.

13765116501 is a `hidden beast` number, since 1 + 37 + 6 + 5 + 116 + 501 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11081772900 + 2683343601 = 105270^2 + 51801^2 .

It is not a de Polignac number, because 13765116501 - 2⁷ = 13765116373 is a prime.

It is a super-2 number, since 2×13765116501² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13765116503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 764728686 + ... + 764728703.

It is an arithmetic number, because the mean of its divisors is an integer number (3313824345).

Almost surely, 2^13765116501 is an apocalyptic number.

It is an amenable number.

13765116501 is a deficient number, since it is larger than the sum of its proper divisors (6117829569).

13765116501 is a wasteful number, since it uses less digits than its factorization.

13765116501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529457395 (or 1529457392 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The spelling of 13765116501 in words is "thirteen billion, seven hundred sixty-five million, one hundred sixteen thousand, five hundred one".