12757125536477 has 4 divisors (see below), whose sum is σ = 14579572041696. Its totient is φ = 10934679031260.

The previous prime is 12757125536429. The next prime is 12757125536497. The reversal of 12757125536477 is 77463552175721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12757125536477 - 2⁶ = 12757125536413 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 (12757125536497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911223252599 + ... + 911223252612.

It is an arithmetic number, because the mean of its divisors is an integer number (3644893010424).

Almost surely, 2^{12757125536477} is an apocalyptic number.

It is an amenable number.

12757125536477 is a deficient number, since it is larger than the sum of its proper divisors (1822446505219).

12757125536477 is an equidigital number, since it uses as much as digits as its factorization.

12757125536477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822446505218.

The product of its digits is 86436000, while the sum is 62.

The spelling of 12757125536477 in words is "twelve trillion, seven hundred fifty-seven billion, one hundred twenty-five million, five hundred thirty-six thousand, four hundred seventy-seven".