1155701053 has 8 divisors (see below), whose sum is σ = 1246884128. Its totient is φ = 1064844144.

The previous prime is 1155701051. The next prime is 1155701147. The reversal of 1155701053 is 3501075511.

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

It is not a de Polignac number, because 1155701053 - 2¹ = 1155701051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155701051) 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, 74151 + ... + 88372.

It is an arithmetic number, because the mean of its divisors is an integer number (155860516).

Almost surely, 2^1155701053 is an apocalyptic number.

1155701053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1155701053 is a deficient number, since it is larger than the sum of its proper divisors (91183075).

1155701053 is a wasteful number, since it uses less digits than its factorization.

1155701053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163083.

The product of its (nonzero) digits is 2625, while the sum is 28.

The square root of 1155701053 is about 33995.6034363269. The cubic root of 1155701053 is about 1049.4179852343.

Adding to 1155701053 its reverse (3501075511), we get a palindrome (4656776564).

The spelling of 1155701053 in words is "one billion, one hundred fifty-five million, seven hundred one thousand, fifty-three".