13245525664261 has 8 divisors (see below), whose sum is σ = 14450108360544. Its totient is φ = 12041016967920.

The previous prime is 13245525664193. The next prime is 13245525664271. The reversal of 13245525664261 is 16246652554231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13245525664261 is a prime.

It is a super-2 number, since 2×13245525664261² (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 = 13245525664199 and 13245525664208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13245525664271) 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, 18125391 + ... + 18841996.

It is an arithmetic number, because the mean of its divisors is an integer number (1806263545068).

Almost surely, 2^{13245525664261} is an apocalyptic number.

13245525664261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13245525664261 is a deficient number, since it is larger than the sum of its proper divisors (1204582696283).

13245525664261 is a wasteful number, since it uses less digits than its factorization.

13245525664261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36999971.

The product of its digits is 10368000, while the sum is 52.

The spelling of 13245525664261 in words is "thirteen trillion, two hundred forty-five billion, five hundred twenty-five million, six hundred sixty-four thousand, two hundred sixty-one".