1004113155 has 8 divisors (see below), whose sum is σ = 1606581072. Its totient is φ = 535527008.

The previous prime is 1004113151. The next prime is 1004113171. The reversal of 1004113155 is 5513114001.

It is a happy number.

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 1004113155 - 2² = 1004113151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1004113151) 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, 33470424 + ... + 33470453.

It is an arithmetic number, because the mean of its divisors is an integer number (200822634).

Almost surely, 2^1004113155 is an apocalyptic number.

1004113155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1004113155 is a deficient number, since it is larger than the sum of its proper divisors (602467917).

1004113155 is an equidigital number, since it uses as much as digits as its factorization.

1004113155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66940885.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1004113155 is about 31687.7445552693. The cubic root of 1004113155 is about 1001.3691761677.

Adding to 1004113155 its reverse (5513114001), we get a palindrome (6517227156).

The spelling of 1004113155 in words is "one billion, four million, one hundred thirteen thousand, one hundred fifty-five".