127645361503 has 12 divisors (see below), whose sum is σ = 142280533584. Its totient is φ = 114406846400.

The previous prime is 127645361401. The next prime is 127645361527. The reversal of 127645361503 is 305163546721.

It is a de Polignac number, because none of the positive numbers 2^k-127645361503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 127645361503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127645361003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7420426 + ... + 7437607.

It is an arithmetic number, because the mean of its divisors is an integer number (11856711132).

Almost surely, 2^127645361503 is an apocalyptic number.

127645361503 is a deficient number, since it is larger than the sum of its proper divisors (14635172081).

127645361503 is a wasteful number, since it uses less digits than its factorization.

127645361503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14858126 (or 14858115 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 127645361503 in words is "one hundred twenty-seven billion, six hundred forty-five million, three hundred sixty-one thousand, five hundred three".