13155247835 has 16 divisors (see below), whose sum is σ = 16713228960. Its totient is φ = 9912648960.

The previous prime is 13155247793. The next prime is 13155247837. The reversal of 13155247835 is 53874255131.

It is a de Polignac number, because none of the positive numbers 2^k-13155247835 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13155247837) 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, 383786 + ... + 416655.

It is an arithmetic number, because the mean of its divisors is an integer number (1044576810).

Almost surely, 2^13155247835 is an apocalyptic number.

13155247835 is a deficient number, since it is larger than the sum of its proper divisors (3557981125).

13155247835 is a wasteful number, since it uses less digits than its factorization.

13155247835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800638.

The product of its digits is 504000, while the sum is 44.

The spelling of 13155247835 in words is "thirteen billion, one hundred fifty-five million, two hundred forty-seven thousand, eight hundred thirty-five".