315551103433543 has 4 divisors (see below), whose sum is σ = 315551155488448. Its totient is φ = 315551051378640.

The previous prime is 315551103433493. The next prime is 315551103433547. The reversal of 315551103433543 is 345334301155513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315551103433543 - 2²⁹ = 315550566562631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315551103433493 and 315551103433502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315551103433547) 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, 15520878 + ... + 29529643.

It is an arithmetic number, because the mean of its divisors is an integer number (78887788872112).

Almost surely, 2^{315551103433543} is an apocalyptic number.

315551103433543 is a deficient number, since it is larger than the sum of its proper divisors (52054905).

315551103433543 is an equidigital number, since it uses as much as digits as its factorization.

315551103433543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52054904.

The product of its (nonzero) digits is 2430000, while the sum is 46.

The spelling of 315551103433543 in words is "three hundred fifteen trillion, five hundred fifty-one billion, one hundred three million, four hundred thirty-three thousand, five hundred forty-three".