1128413111 has 24 divisors (see below), whose sum is σ = 1359983520. Its totient is φ = 932870400.

The previous prime is 1128413071. The next prime is 1128413147. The reversal of 1128413111 is 1113148211.

It is not a de Polignac number, because 1128413111 - 2⁶ = 1128413047 is a prime.

It is a super-2 number, since 2×1128413111² = 2546632298153396642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128410111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175646 + ... + 181956.

It is an arithmetic number, because the mean of its divisors is an integer number (56665980).

Almost surely, 2^1128413111 is an apocalyptic number.

1128413111 is a deficient number, since it is larger than the sum of its proper divisors (231570409).

1128413111 is an equidigital number, since it uses as much as digits as its factorization.

1128413111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455 (or 6448 counting only the distinct ones).

The product of its digits is 192, while the sum is 23.

The square root of 1128413111 is about 33591.8607850176. The cubic root of 1128413111 is about 1041.0926358709.

The spelling of 1128413111 in words is "one billion, one hundred twenty-eight million, four hundred thirteen thousand, one hundred eleven".