1153153513 has 4 divisors (see below), whose sum is σ = 1153221588. Its totient is φ = 1153085440.

The previous prime is 1153153483. The next prime is 1153153517. The reversal of 1153153513 is 3153513511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 147185424 + 1005968089 = 12132^2 + 31717^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153153513 - 2¹⁷ = 1153022441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153153517) 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, 13545 + ... + 49897.

It is an arithmetic number, because the mean of its divisors is an integer number (288305397).

Almost surely, 2^1153153513 is an apocalyptic number.

It is an amenable number.

1153153513 is a deficient number, since it is larger than the sum of its proper divisors (68075).

1153153513 is an equidigital number, since it uses as much as digits as its factorization.

1153153513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68074.

The product of its digits is 3375, while the sum is 28.

The square root of 1153153513 is about 33958.1140966338. The cubic root of 1153153513 is about 1048.6463320839.

It can be divided in two parts, 115315 and 3513, that added together give a triangular number (118828 = T₄₈₇).

The spelling of 1153153513 in words is "one billion, one hundred fifty-three million, one hundred fifty-three thousand, five hundred thirteen".