3157691804461 has 8 divisors (see below), whose sum is σ = 3421192762944. Its totient is φ = 2902830221760.

The previous prime is 3157691804411. The next prime is 3157691804473. The reversal of 3157691804461 is 1644081967513.

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 3157691804461 - 2¹³ = 3157691796269 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 (3157691804401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2159843185 + ... + 2159844646.

It is an arithmetic number, because the mean of its divisors is an integer number (427649095368).

Almost surely, 2^{3157691804461} is an apocalyptic number.

It is an amenable number.

3157691804461 is a deficient number, since it is larger than the sum of its proper divisors (263500958483).

3157691804461 is a wasteful number, since it uses less digits than its factorization.

3157691804461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319687891.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 3157691804461 in words is "three trillion, one hundred fifty-seven billion, six hundred ninety-one million, eight hundred four thousand, four hundred sixty-one".