1155553035 has 48 divisors (see below), whose sum is σ = 2316204576. Its totient is φ = 487613952.

The previous prime is 1155553033. The next prime is 1155553067. The reversal of 1155553035 is 5303555511.

It is not a de Polignac number, because 1155553035 - 2¹ = 1155553033 is a prime.

It is a super-2 number, since 2×1155553035² = 2670605633395422450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1155552987 and 1155553005.

It is not an unprimeable number, because it can be changed into a prime (1155553033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50914 + ... + 70023.

It is an arithmetic number, because the mean of its divisors is an integer number (48254262).

Almost surely, 2^1155553035 is an apocalyptic number.

1155553035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1155553035 is an abundant number, since it is smaller than the sum of its proper divisors (1160651541).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155553035 is a wasteful number, since it uses less digits than its factorization.

1155553035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120972 (or 120965 counting only the distinct ones).

The product of its (nonzero) digits is 28125, while the sum is 33.

The square root of 1155553035 is about 33993.4263498106. The cubic root of 1155553035 is about 1049.3731814381.

The spelling of 1155553035 in words is "one billion, one hundred fifty-five million, five hundred fifty-three thousand, thirty-five".