12565150654 has 48 divisors (see below), whose sum is σ = 23219906688. Its totient is φ = 5073990768.

The previous prime is 12565150643. The next prime is 12565150667. The reversal of 12565150654 is 45605156521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109417 + ... + 192619.

It is an arithmetic number, because the mean of its divisors is an integer number (483748056).

Almost surely, 2^12565150654 is an apocalyptic number.

12565150654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12565150654 is a deficient number, since it is larger than the sum of its proper divisors (10654756034).

12565150654 is a wasteful number, since it uses less digits than its factorization.

12565150654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83309 (or 83302 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 12565150654 in words is "twelve billion, five hundred sixty-five million, one hundred fifty thousand, six hundred fifty-four".