13140312052545 has 12 divisors (see below), whose sum is σ = 22776540891156. Its totient is φ = 7008166428000.

The previous prime is 13140312052501. The next prime is 13140312052607. The reversal of 13140312052545 is 54525021304131.

13140312052545 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 0 + 3 + 120 + 525 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2683515764736 + 10456796287809 = 1638144^2 + 3233697^2 .

It is not a de Polignac number, because 13140312052545 - 2⁸ = 13140312052289 is a prime.

It is a super-3 number, since 3×13140312052545³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146003467206 + ... + 146003467295.

It is an arithmetic number, because the mean of its divisors is an integer number (1898045074263).

Almost surely, 2^{13140312052545} is an apocalyptic number.

13140312052545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13140312052545 is a deficient number, since it is larger than the sum of its proper divisors (9636228838611).

13140312052545 is a wasteful number, since it uses less digits than its factorization.

13140312052545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292006934512 (or 292006934509 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 13140312052545 its reverse (54525021304131), we get a palindrome (67665333356676).

The spelling of 13140312052545 in words is "thirteen trillion, one hundred forty billion, three hundred twelve million, fifty-two thousand, five hundred forty-five".