1113111451 has 8 divisors (see below), whose sum is σ = 1152230400. Its totient is φ = 1074193320.

The previous prime is 1113111407. The next prime is 1113111463. The reversal of 1113111451 is 1541113111.

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 1113111451 - 2⁹ = 1113110939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113111491) 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, 38881 + ... + 61138.

It is an arithmetic number, because the mean of its divisors is an integer number (144028800).

Almost surely, 2^1113111451 is an apocalyptic number.

1113111451 is a deficient number, since it is larger than the sum of its proper divisors (39118949).

1113111451 is a wasteful number, since it uses less digits than its factorization.

1113111451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100409.

The product of its digits is 60, while the sum is 19.

The square root of 1113111451 is about 33363.3249392203. The cubic root of 1113111451 is about 1036.3653481418.

Adding to 1113111451 its reverse (1541113111), we get a palindrome (2654224562).

The spelling of 1113111451 in words is "one billion, one hundred thirteen million, one hundred eleven thousand, four hundred fifty-one".