5315121161 has 8 divisors (see below), whose sum is σ = 6394130880. Its totient is φ = 4316038128.

The previous prime is 5315121137. The next prime is 5315121209. The reversal of 5315121161 is 1611215135.

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 5315121161 - 2²² = 5310926857 is a prime.

It is a super-2 number, since 2×5315121161² = 56501025912219975842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5315121161.

It is not an unprimeable number, because it can be changed into a prime (5315121121) 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, 19981526 + ... + 19981791.

It is an arithmetic number, because the mean of its divisors is an integer number (799266360).

Almost surely, 2^5315121161 is an apocalyptic number.

It is an amenable number.

5315121161 is a deficient number, since it is larger than the sum of its proper divisors (1079009719).

5315121161 is a wasteful number, since it uses less digits than its factorization.

5315121161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39963343.

The product of its digits is 900, while the sum is 26.

The square root of 5315121161 is about 72904.8774842946. The cubic root of 5315121161 is about 1745.1699367346.

Adding to 5315121161 its reverse (1611215135), we get a palindrome (6926336296).

The spelling of 5315121161 in words is "five billion, three hundred fifteen million, one hundred twenty-one thousand, one hundred sixty-one".