1150553053 has 4 divisors (see below), whose sum is σ = 1239057148. Its totient is φ = 1062048960.

The previous prime is 1150553023. The next prime is 1150553057. The reversal of 1150553053 is 3503550511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3503550511 = 30403 ⋅115237.

It can be written as a sum of positive squares in 2 ways, for example, as 669101689 + 481451364 = 25867^2 + 21942^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150553053 - 2²¹ = 1148455901 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 (1150553057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44252028 + ... + 44252053.

It is an arithmetic number, because the mean of its divisors is an integer number (309764287).

Almost surely, 2^1150553053 is an apocalyptic number.

1150553053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1150553053 is a deficient number, since it is larger than the sum of its proper divisors (88504095).

1150553053 is an equidigital number, since it uses as much as digits as its factorization.

1150553053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88504094.

The product of its (nonzero) digits is 5625, while the sum is 28.

The square root of 1150553053 is about 33919.8032570945. The cubic root of 1150553053 is about 1047.8574763571.

The spelling of 1150553053 in words is "one billion, one hundred fifty million, five hundred fifty-three thousand, fifty-three".