1116304551 has 8 divisors (see below), whose sum is σ = 1653784560. Its totient is φ = 744203016.

The previous prime is 1116304547. The next prime is 1116304583. The reversal of 1116304551 is 1554036111.

It is not a de Polignac number, because 1116304551 - 2² = 1116304547 is a prime.

It is a super-2 number, since 2×1116304551² = 2492271701166623202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 41344613 = 1116304551 / (1 + 1 + 1 + 6 + 3 + 0 + 4 + 5 + 5 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116304591) 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, 20672280 + ... + 20672333.

It is an arithmetic number, because the mean of its divisors is an integer number (206723070).

Almost surely, 2^1116304551 is an apocalyptic number.

1116304551 is a deficient number, since it is larger than the sum of its proper divisors (537480009).

1116304551 is an equidigital number, since it uses as much as digits as its factorization.

1116304551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41344622 (or 41344616 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1116304551 is about 33411.1441139031. The cubic root of 1116304551 is about 1037.3553834525.

The spelling of 1116304551 in words is "one billion, one hundred sixteen million, three hundred four thousand, five hundred fifty-one".