1155351054 has 64 divisors (see below), whose sum is σ = 2780967168. Its totient is φ = 315283200.

The previous prime is 1155351017. The next prime is 1155351073. The reversal of 1155351054 is 4501535511.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 18757 + ... + 51599.

It is an arithmetic number, because the mean of its divisors is an integer number (43452612).

Almost surely, 2^1155351054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1155351054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390483584).

1155351054 is an abundant number, since it is smaller than the sum of its proper divisors (1625616114).

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

1155351054 is a wasteful number, since it uses less digits than its factorization.

1155351054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32913.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 1155351054 is about 33990.4553367559. The cubic root of 1155351054 is about 1049.3120373254.

Adding to 1155351054 its reverse (4501535511), we get a palindrome (5656886565).

The spelling of 1155351054 in words is "one billion, one hundred fifty-five million, three hundred fifty-one thousand, fifty-four".