13775002501 has 16 divisors (see below), whose sum is σ = 15134197680. Its totient is φ = 12461137920.

The previous prime is 13775002481. The next prime is 13775002531. The reversal of 13775002501 is 10520057731.

It can be written as a sum of positive squares in 8 ways, for example, as 2943605025 + 10831397476 = 54255^2 + 104074^2 .

It is a cyclic number.

It is not a de Polignac number, because 13775002501 - 2¹¹ = 13775000453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13775002531) 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, 78061 + ... + 183421.

It is an arithmetic number, because the mean of its divisors is an integer number (945887355).

Almost surely, 2^13775002501 is an apocalyptic number.

It is an amenable number.

13775002501 is a deficient number, since it is larger than the sum of its proper divisors (1359195179).

13775002501 is a wasteful number, since it uses less digits than its factorization.

13775002501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105576.

The product of its (nonzero) digits is 7350, while the sum is 31.

The spelling of 13775002501 in words is "thirteen billion, seven hundred seventy-five million, two thousand, five hundred one".