1152560615523 has 4 divisors (see below), whose sum is σ = 1536747487368. Its totient is φ = 768373743680.

The previous prime is 1152560615477. The next prime is 1152560615623. The reversal of 1152560615523 is 3255160652511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1152560615523 - 2¹² = 1152560611427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1152560615623) 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, 192093435918 + ... + 192093435923.

It is an arithmetic number, because the mean of its divisors is an integer number (384186871842).

Almost surely, 2^{1152560615523} is an apocalyptic number.

1152560615523 is a deficient number, since it is larger than the sum of its proper divisors (384186871845).

1152560615523 is an equidigital number, since it uses as much as digits as its factorization.

1152560615523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384186871844.

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 1152560615523 in words is "one trillion, one hundred fifty-two billion, five hundred sixty million, six hundred fifteen thousand, five hundred twenty-three".