1155010055 has 8 divisors (see below), whose sum is σ = 1386970800. Its totient is φ = 923368896.

The previous prime is 1155010027. The next prime is 1155010063. The reversal of 1155010055 is 5500105511.

It is a happy number.

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 1155010055 - 2¹⁶ = 1154944519 is a prime.

It is a super-2 number, since 2×1155010055² = 2668096454302206050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1155010055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71870 + ... + 86459.

It is an arithmetic number, because the mean of its divisors is an integer number (173371350).

Almost surely, 2^1155010055 is an apocalyptic number.

1155010055 is a deficient number, since it is larger than the sum of its proper divisors (231960745).

1155010055 is a wasteful number, since it uses less digits than its factorization.

1155010055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159793.

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 1155010055 is about 33985.4388672561. The cubic root of 1155010055 is about 1049.2087932183.

Adding to 1155010055 its reverse (5500105511), we get a palindrome (6655115566).

The spelling of 1155010055 in words is "one billion, one hundred fifty-five million, ten thousand, fifty-five".