1161503106 has 16 divisors (see below), whose sum is σ = 2323810944. Its totient is φ = 387033584.

The previous prime is 1161503093. The next prime is 1161503153. The reversal of 1161503106 is 6013051611.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13881 + ... + 50156.

It is an arithmetic number, because the mean of its divisors is an integer number (145238184).

Almost surely, 2^1161503106 is an apocalyptic number.

1161503106 is an abundant number, since it is smaller than the sum of its proper divisors (1162307838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161503106 is a wasteful number, since it uses less digits than its factorization.

1161503106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67065.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1161503106 is about 34080.8319440708. The cubic root of 1161503106 is about 1051.1712119186.

Adding to 1161503106 its reverse (6013051611), we get a palindrome (7174554717).

The spelling of 1161503106 in words is "one billion, one hundred sixty-one million, five hundred three thousand, one hundred six".