1155040104 has 32 divisors (see below), whose sum is σ = 2888464320. Its totient is φ = 384898176.

The previous prime is 1155040093. The next prime is 1155040123. The reversal of 1155040104 is 4010405511.

It is a super-3 number, since 3×1155040104³ (a number of 28 digits) contains 333 as substring.

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, 121989 + ... + 131115.

It is an arithmetic number, because the mean of its divisors is an integer number (90264510).

Almost surely, 2^1155040104 is an apocalyptic number.

It is an amenable number.

1155040104 is an abundant number, since it is smaller than the sum of its proper divisors (1733424216).

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

1155040104 is a wasteful number, since it uses less digits than its factorization.

1155040104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14409 (or 14405 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1155040104 is about 33985.8809507713. The cubic root of 1155040104 is about 1049.2178919563.

Adding to 1155040104 its reverse (4010405511), we get a palindrome (5165445615).

The spelling of 1155040104 in words is "one billion, one hundred fifty-five million, forty thousand, one hundred four".