12501455016533 has 16 divisors (see below), whose sum is σ = 14673690430080. Its totient is φ = 10425804549696.

The previous prime is 12501455016517. The next prime is 12501455016553. The reversal of 12501455016533 is 33561055410521.

12501455016533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12501455016533 - 2⁴ = 12501455016517 is a prime.

It is a super-2 number, since 2×12501455016533² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12501455016503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27958163 + ... + 28401791.

It is an arithmetic number, because the mean of its divisors is an integer number (917105651880).

Almost surely, 2^{12501455016533} is an apocalyptic number.

It is an amenable number.

12501455016533 is a deficient number, since it is larger than the sum of its proper divisors (2172235413547).

12501455016533 is a wasteful number, since it uses less digits than its factorization.

12501455016533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552476.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 12501455016533 in words is "twelve trillion, five hundred one billion, four hundred fifty-five million, sixteen thousand, five hundred thirty-three".