13501028513641 has 4 divisors (see below), whose sum is σ = 13503080036484. Its totient is φ = 13498976990800.

The previous prime is 13501028513617. The next prime is 13501028513683. The reversal of 13501028513641 is 14631582010531.

It is a happy number.

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 8515721985241 + 4985306528400 = 2918171^2 + 2232780^2 .

It is a cyclic number.

It is not a de Polignac number, because 13501028513641 - 2³³ = 13492438579049 is a prime.

It is a super-2 number, since 2×13501028513641² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13501028513594 and 13501028513603.

It is not an unprimeable number, because it can be changed into a prime (13501028613641) 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, 1025751550 + ... + 1025764711.

It is an arithmetic number, because the mean of its divisors is an integer number (3375770009121).

Almost surely, 2^{13501028513641} is an apocalyptic number.

It is an amenable number.

13501028513641 is a deficient number, since it is larger than the sum of its proper divisors (2051522843).

13501028513641 is an equidigital number, since it uses as much as digits as its factorization.

13501028513641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051522842.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 13501028513641 in words is "thirteen trillion, five hundred one billion, twenty-eight million, five hundred thirteen thousand, six hundred forty-one".