13541440501 has 4 divisors (see below), whose sum is σ = 13541700172. Its totient is φ = 13541180832.

The previous prime is 13541440483. The next prime is 13541440511. The reversal of 13541440501 is 10504414531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6980602500 + 6560838001 = 83550^2 + 80999^2 .

It is a cyclic number.

It is not a de Polignac number, because 13541440501 - 2²³ = 13533051893 is a prime.

It is a super-2 number, since 2×13541440501² (a number of 21 digits) contains 22 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 13541440501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13541440511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21456 + ... + 165961.

It is an arithmetic number, because the mean of its divisors is an integer number (3385425043).

Almost surely, 2^13541440501 is an apocalyptic number.

It is an amenable number.

13541440501 is a deficient number, since it is larger than the sum of its proper divisors (259671).

13541440501 is an equidigital number, since it uses as much as digits as its factorization.

13541440501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259670.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 13541440501 in words is "thirteen billion, five hundred forty-one million, four hundred forty thousand, five hundred one".