13245620311 has 16 divisors (see below), whose sum is σ = 16517818368. Its totient is φ = 10318888800.

The previous prime is 13245620243. The next prime is 13245620317. The reversal of 13245620311 is 11302654231.

It is not a de Polignac number, because 13245620311 - 2¹⁵ = 13245587543 is a prime.

It is a super-4 number, since 4×13245620311⁴ (a number of 42 digits) contains 4444 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 13245620311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13245620317) 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, 365626 + ... + 400216.

It is an arithmetic number, because the mean of its divisors is an integer number (1032363648).

Almost surely, 2^13245620311 is an apocalyptic number.

13245620311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13245620311 is a deficient number, since it is larger than the sum of its proper divisors (3272198057).

13245620311 is a wasteful number, since it uses less digits than its factorization.

13245620311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39582.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 13245620311 in words is "thirteen billion, two hundred forty-five million, six hundred twenty thousand, three hundred eleven".