13431599155 has 8 divisors (see below), whose sum is σ = 17357758992. Its totient is φ = 9918719328.

The previous prime is 13431599119. The next prime is 13431599171. The reversal of 13431599155 is 55199513431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13431599155 - 2²¹ = 13429502003 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103319929 + ... + 103320058.

It is an arithmetic number, because the mean of its divisors is an integer number (2169719874).

Almost surely, 2^13431599155 is an apocalyptic number.

13431599155 is a deficient number, since it is larger than the sum of its proper divisors (3926159837).

13431599155 is a wasteful number, since it uses less digits than its factorization.

13431599155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206640005.

The product of its digits is 364500, while the sum is 46.

The spelling of 13431599155 in words is "thirteen billion, four hundred thirty-one million, five hundred ninety-nine thousand, one hundred fifty-five".