1153551055 has 8 divisors (see below), whose sum is σ = 1385218800. Its totient is φ = 922202496.

The previous prime is 1153551043. The next prime is 1153551059. The reversal of 1153551055 is 5501553511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1153551055 is a prime.

It is a super-2 number, since 2×1153551055² = 2661360072983226050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153551059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71770 + ... + 86359.

It is an arithmetic number, because the mean of its divisors is an integer number (173152350).

Almost surely, 2^1153551055 is an apocalyptic number.

1153551055 is a deficient number, since it is larger than the sum of its proper divisors (231667745).

1153551055 is a wasteful number, since it uses less digits than its factorization.

1153551055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159593.

The product of its (nonzero) digits is 9375, while the sum is 31.

The square root of 1153551055 is about 33963.9670091702. The cubic root of 1153551055 is about 1048.7668228538.

The spelling of 1153551055 in words is "one billion, one hundred fifty-three million, five hundred fifty-one thousand, fifty-five".