1125155053 has 24 divisors (see below), whose sum is σ = 1315090080. Its totient is φ = 954344160.

The previous prime is 1125155027. The next prime is 1125155063. The reversal of 1125155053 is 3505515211.

It is a de Polignac number, because none of the positive numbers 2^k-1125155053 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 (1125155023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263943 + ... + 268171.

It is an arithmetic number, because the mean of its divisors is an integer number (54795420).

Almost surely, 2^1125155053 is an apocalyptic number.

It is an amenable number.

1125155053 is a deficient number, since it is larger than the sum of its proper divisors (189935027).

1125155053 is a wasteful number, since it uses less digits than its factorization.

1125155053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345 (or 4326 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 1125155053 is about 33543.3309765145. The cubic root of 1125155053 is about 1040.0896905513.

The spelling of 1125155053 in words is "one billion, one hundred twenty-five million, one hundred fifty-five thousand, fifty-three".