12157752767 has 8 divisors (see below), whose sum is σ = 12352129776. Its totient is φ = 11964516352.

The previous prime is 12157752743. The next prime is 12157752779. The reversal of 12157752767 is 76725775121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12157752767 - 2⁶ = 12157752703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12157752727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263648 + ... + 306309.

It is an arithmetic number, because the mean of its divisors is an integer number (1544016222).

Almost surely, 2^12157752767 is an apocalyptic number.

12157752767 is a deficient number, since it is larger than the sum of its proper divisors (194377009).

12157752767 is an equidigital number, since it uses as much as digits as its factorization.

12157752767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570297.

The product of its digits is 1440600, while the sum is 50.

The spelling of 12157752767 in words is "twelve billion, one hundred fifty-seven million, seven hundred fifty-two thousand, seven hundred sixty-seven".