1116948551 has 4 divisors (see below), whose sum is σ = 1124445000. Its totient is φ = 1109452104.

The previous prime is 1116948509. The next prime is 1116948557. The reversal of 1116948551 is 1558496111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116948551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1116948499 and 1116948508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116948557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3748001 + ... + 3748298.

It is an arithmetic number, because the mean of its divisors is an integer number (281111250).

Almost surely, 2^1116948551 is an apocalyptic number.

1116948551 is a deficient number, since it is larger than the sum of its proper divisors (7496449).

1116948551 is an equidigital number, since it uses as much as digits as its factorization.

1116948551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7496448.

The product of its digits is 43200, while the sum is 41.

The square root of 1116948551 is about 33420.7802272778. The cubic root of 1116948551 is about 1037.5548297534.

The spelling of 1116948551 in words is "one billion, one hundred sixteen million, nine hundred forty-eight thousand, five hundred fifty-one".