1013445111 has 16 divisors (see below), whose sum is σ = 1552064000. Its totient is φ = 576199008.

The previous prime is 1013445079. The next prime is 1013445179. The reversal of 1013445111 is 1115443101.

It is not a de Polignac number, because 1013445111 - 2⁵ = 1013445079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013440111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117076 + ... + 125433.

It is an arithmetic number, because the mean of its divisors is an integer number (97004000).

Almost surely, 2^1013445111 is an apocalyptic number.

1013445111 is a deficient number, since it is larger than the sum of its proper divisors (538618889).

1013445111 is a wasteful number, since it uses less digits than its factorization.

1013445111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242718.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1013445111 is about 31834.6526759756. The cubic root of 1013445111 is about 1004.4617666973.

Adding to 1013445111 its reverse (1115443101), we get a palindrome (2128888212).

The spelling of 1013445111 in words is "one billion, thirteen million, four hundred forty-five thousand, one hundred eleven".