3155896985513 has 8 divisors (see below), whose sum is σ = 3168936380736. Its totient is φ = 3142861290000.

The previous prime is 3155896985509. The next prime is 3155896985519.

It is a happy number.

3155896985513 is nontrivially palindromic in base 10.

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 3155896985513 - 2² = 3155896985509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3155896985519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791183 + ... + 2633963.

It is an arithmetic number, because the mean of its divisors is an integer number (396117047592).

Almost surely, 2^{3155896985513} is an apocalyptic number.

It is an amenable number.

3155896985513 is a deficient number, since it is larger than the sum of its proper divisors (13039395223).

3155896985513 is a wasteful number, since it uses less digits than its factorization.

3155896985513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849855.

The product of its digits is 174960000, while the sum is 68.

The spelling of 3155896985513 in words is "three trillion, one hundred fifty-five billion, eight hundred ninety-six million, nine hundred eighty-five thousand, five hundred thirteen".