15212146681263 has 48 divisors (see below), whose sum is σ = 24356301296640. Its totient is φ = 8411955753600.

The previous prime is 15212146681213. The next prime is 15212146681267. The reversal of 15212146681263 is 36218664121251.

It is not a de Polignac number, because 15212146681263 - 2³⁴ = 15194966812079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15212146681267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 257755428 + ... + 257814438.

It is an arithmetic number, because the mean of its divisors is an integer number (507422943680).

Almost surely, 2^{15212146681263} is an apocalyptic number.

15212146681263 is a deficient number, since it is larger than the sum of its proper divisors (9144154615377).

15212146681263 is a wasteful number, since it uses less digits than its factorization.

15212146681263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115628 (or 115621 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The spelling of 15212146681263 in words is "fifteen trillion, two hundred twelve billion, one hundred forty-six million, six hundred eighty-one thousand, two hundred sixty-three".