1132646551 has 4 divisors (see below), whose sum is σ = 1133093104. Its totient is φ = 1132200000.

The previous prime is 1132646549. The next prime is 1132646633. The reversal of 1132646551 is 1556462311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1556462311 = 19 ⋅81919069.

It is a cyclic number.

It is not a de Polignac number, because 1132646551 - 2¹ = 1132646549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132646351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219450 + ... + 224551.

It is an arithmetic number, because the mean of its divisors is an integer number (283273276).

Almost surely, 2^1132646551 is an apocalyptic number.

1132646551 is a deficient number, since it is larger than the sum of its proper divisors (446553).

1132646551 is an equidigital number, since it uses as much as digits as its factorization.

1132646551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446552.

The product of its digits is 21600, while the sum is 34.

The square root of 1132646551 is about 33654.8146778436. The cubic root of 1132646551 is about 1042.3929583943.

The spelling of 1132646551 in words is "one billion, one hundred thirty-two million, six hundred forty-six thousand, five hundred fifty-one".