12315354053501 has 4 divisors (see below), whose sum is σ = 12361136039100. Its totient is φ = 12269572067904.

The previous prime is 12315354053479. The next prime is 12315354053521. The reversal of 12315354053501 is 10535045351321.

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 1663609836100 + 10651744217401 = 1289810^2 + 3263701^2 .

It is a cyclic number.

It is not a de Polignac number, because 12315354053501 - 2²⁶ = 12315286944637 is a prime.

It is a super-3 number, since 3×12315354053501³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315354053521) 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, 22890992396 + ... + 22890992933.

It is an arithmetic number, because the mean of its divisors is an integer number (3090284009775).

Almost surely, 2^{12315354053501} is an apocalyptic number.

It is an amenable number.

12315354053501 is a deficient number, since it is larger than the sum of its proper divisors (45781985599).

12315354053501 is an equidigital number, since it uses as much as digits as its factorization.

12315354053501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45781985598.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 12315354053501 in words is "twelve trillion, three hundred fifteen billion, three hundred fifty-four million, fifty-three thousand, five hundred one".