1153422551 has 4 divisors (see below), whose sum is σ = 1154136600. Its totient is φ = 1152708504.

The previous prime is 1153422547. The next prime is 1153422553. The reversal of 1153422551 is 1552243511.

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

It is a cyclic number.

It is not a de Polignac number, because 1153422551 - 2² = 1153422547 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 (1153422553) 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 3 ways as a sum of consecutive naturals, for example, 354596 + ... + 357833.

It is an arithmetic number, because the mean of its divisors is an integer number (288534150).

Almost surely, 2^1153422551 is an apocalyptic number.

1153422551 is a deficient number, since it is larger than the sum of its proper divisors (714049).

1153422551 is an equidigital number, since it uses as much as digits as its factorization.

1153422551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714048.

The product of its digits is 6000, while the sum is 29.

The square root of 1153422551 is about 33962.0751868905. The cubic root of 1153422551 is about 1048.7278776807.

The spelling of 1153422551 in words is "one billion, one hundred fifty-three million, four hundred twenty-two thousand, five hundred fifty-one".