12152517562 has 4 divisors (see below), whose sum is σ = 18228776346. Its totient is φ = 6076258780.

The previous prime is 12152517557. The next prime is 12152517569. The reversal of 12152517562 is 26571525121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26571525121 = 44383 ⋅598687.

It can be written as a sum of positive squares in only one way, i.e., 10716183361 + 1436334201 = 103519^2 + 37899^2 .

It is not an unprimeable number, because it can be changed into a prime (12152517569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3038129389 + ... + 3038129392.

Almost surely, 2^12152517562 is an apocalyptic number.

12152517562 is a deficient number, since it is larger than the sum of its proper divisors (6076258784).

12152517562 is an equidigital number, since it uses as much as digits as its factorization.

12152517562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076258783.

The product of its digits is 42000, while the sum is 37.

The spelling of 12152517562 in words is "twelve billion, one hundred fifty-two million, five hundred seventeen thousand, five hundred sixty-two".