1098612551 has 8 divisors (see below), whose sum is σ = 1116338544. Its totient is φ = 1080959040.

The previous prime is 1098612533. The next prime is 1098612577. The reversal of 1098612551 is 1552168901.

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 1098612551 - 2¹⁴ = 1098596167 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 (1098612511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12860 + ... + 48606.

It is an arithmetic number, because the mean of its divisors is an integer number (139542318).

Almost surely, 2^1098612551 is an apocalyptic number.

1098612551 is a deficient number, since it is larger than the sum of its proper divisors (17725993).

1098612551 is an equidigital number, since it uses as much as digits as its factorization.

1098612551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36241.

The product of its (nonzero) digits is 21600, while the sum is 38.

The square root of 1098612551 is about 33145.3247231039. The cubic root of 1098612551 is about 1031.8459219399.

The spelling of 1098612551 in words is "one billion, ninety-eight million, six hundred twelve thousand, five hundred fifty-one".