3115816541 has 4 divisors (see below), whose sum is σ = 3216326784. Its totient is φ = 3015306300.

The previous prime is 3115816537. The next prime is 3115816553. The reversal of 3115816541 is 1456185113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1456185113 = 163 ⋅8933651.

It is a cyclic number.

It is not a de Polignac number, because 3115816541 - 2² = 3115816537 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 (3115816531) 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, 50255075 + ... + 50255136.

It is an arithmetic number, because the mean of its divisors is an integer number (804081696).

Almost surely, 2^3115816541 is an apocalyptic number.

3115816541 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3115816541 is a deficient number, since it is larger than the sum of its proper divisors (100510243).

3115816541 is a wasteful number, since it uses less digits than its factorization.

3115816541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100510242.

The product of its digits is 14400, while the sum is 35.

The square root of 3115816541 is about 55819.4996484204. The cubic root of 3115816541 is about 1460.5753254257.

The spelling of 3115816541 in words is "three billion, one hundred fifteen million, eight hundred sixteen thousand, five hundred forty-one".