13515352350020 has 12 divisors (see below), whose sum is σ = 28382239935084. Its totient is φ = 5406140940000.

The previous prime is 13515352349987. The next prime is 13515352350131. The reversal of 13515352350020 is 2005325351531.

It can be written as a sum of positive squares in 2 ways, for example, as 6690540945664 + 6824811404356 = 2586608^2 + 2612434^2 .

It is a super-2 number, since 2×13515352350020² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337883808731 + ... + 337883808770.

It is an arithmetic number, because the mean of its divisors is an integer number (2365186661257).

Almost surely, 2^{13515352350020} is an apocalyptic number.

13515352350020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13515352350020 is an abundant number, since it is smaller than the sum of its proper divisors (14866887585064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13515352350020 is a wasteful number, since it uses less digits than its factorization.

13515352350020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675767617510 (or 675767617508 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 13515352350020 in words is "thirteen trillion, five hundred fifteen billion, three hundred fifty-two million, three hundred fifty thousand, twenty".