1103015161 has 4 divisors (see below), whose sum is σ = 1103130112. Its totient is φ = 1102900212.

The previous prime is 1103015099. The next prime is 1103015167. The reversal of 1103015161 is 1615103011.

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: 1615103011 = 113 ⋅14292947.

It is a cyclic number.

It is not a de Polignac number, because 1103015161 - 2²³ = 1094626553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103015167) 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, 41625 + ... + 62758.

It is an arithmetic number, because the mean of its divisors is an integer number (275782528).

Almost surely, 2^1103015161 is an apocalyptic number.

It is an amenable number.

1103015161 is a deficient number, since it is larger than the sum of its proper divisors (114951).

1103015161 is a wasteful number, since it uses less digits than its factorization.

1103015161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114950.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 1103015161 is about 33211.6720596841. The cubic root of 1103015161 is about 1033.2224340113. Note that the first 3 decimals are identical.

Adding to 1103015161 its reverse (1615103011), we get a palindrome (2718118172).

The spelling of 1103015161 in words is "one billion, one hundred three million, fifteen thousand, one hundred sixty-one".