10540720517 has 8 divisors (see below), whose sum is σ = 10720385280. Its totient is φ = 10361277360.

The previous prime is 10540720513. The next prime is 10540720523. The reversal of 10540720517 is 71502704501.

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 10540720517 - 2² = 10540720513 is a prime.

It is a super-2 number, since 2×10540720517² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10540720513) 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, 41984 + ... + 151142.

It is an arithmetic number, because the mean of its divisors is an integer number (1340048160).

Almost surely, 2^10540720517 is an apocalyptic number.

It is an amenable number.

10540720517 is a deficient number, since it is larger than the sum of its proper divisors (179664763).

10540720517 is a wasteful number, since it uses less digits than its factorization.

10540720517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110803.

The product of its (nonzero) digits is 9800, while the sum is 32.

The spelling of 10540720517 in words is "ten billion, five hundred forty million, seven hundred twenty thousand, five hundred seventeen".