13515323554343 has 16 divisors (see below), whose sum is σ = 15046992154656. Its totient is φ = 12059926824960.

The previous prime is 13515323554333. The next prime is 13515323554373. The reversal of 13515323554343 is 34345532351531.

It is a cyclic number.

It is not a de Polignac number, because 13515323554343 - 2⁸ = 13515323554087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13515323554303) 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, 124572998 + ... + 124681443.

It is an arithmetic number, because the mean of its divisors is an integer number (940437009666).

Almost surely, 2^{13515323554343} is an apocalyptic number.

13515323554343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13515323554343 is a deficient number, since it is larger than the sum of its proper divisors (1531668600313).

13515323554343 is a wasteful number, since it uses less digits than its factorization.

13515323554343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249254594.

The product of its digits is 4860000, while the sum is 47.

The spelling of 13515323554343 in words is "thirteen trillion, five hundred fifteen billion, three hundred twenty-three million, five hundred fifty-four thousand, three hundred forty-three".