1153386553 has 4 divisors (see below), whose sum is σ = 1258239888. Its totient is φ = 1048533220.

The previous prime is 1153386547. The next prime is 1153386571. The reversal of 1153386553 is 3556833511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1153386553 - 2⁹ = 1153386041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153386253) 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, 52426651 + ... + 52426672.

It is an arithmetic number, because the mean of its divisors is an integer number (314559972).

Almost surely, 2^1153386553 is an apocalyptic number.

It is an amenable number.

1153386553 is a deficient number, since it is larger than the sum of its proper divisors (104853335).

1153386553 is a wasteful number, since it uses less digits than its factorization.

1153386553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104853334.

The product of its digits is 162000, while the sum is 40.

The square root of 1153386553 is about 33961.5452092510. The cubic root of 1153386553 is about 1048.7169673978.

The spelling of 1153386553 in words is "one billion, one hundred fifty-three million, three hundred eighty-six thousand, five hundred fifty-three".