12552150015 has 40 divisors (see below), whose sum is σ = 23226749568. Its totient is φ = 6478522560.

The previous prime is 12552150001. The next prime is 12552150049. The reversal of 12552150015 is 51005125521.

12552150015 is a `hidden beast` number, since 125 + 5 + 21 + 500 + 15 = 666.

It is not a de Polignac number, because 12552150015 - 2⁴ = 12552149999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 487332 + ... + 512441.

Almost surely, 2^12552150015 is an apocalyptic number.

12552150015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12552150015 is a deficient number, since it is larger than the sum of its proper divisors (10674599553).

12552150015 is an equidigital number, since it uses as much as digits as its factorization.

12552150015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999821 (or 999812 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

Adding to 12552150015 its reverse (51005125521), we get a palindrome (63557275536).

The spelling of 12552150015 in words is "twelve billion, five hundred fifty-two million, one hundred fifty thousand, fifteen".