127306372545 has 64 divisors (see below), whose sum is σ = 252639129600. Its totient is φ = 60288822720.

The previous prime is 127306372513. The next prime is 127306372577. The reversal of 127306372545 is 545273603721.

127306372545 is a `hidden beast` number, since 1 + 2 + 7 + 3 + 0 + 637 + 2 + 5 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (127306372513) and next prime (127306372577).

It is not a de Polignac number, because 127306372545 - 2⁵ = 127306372513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 127306372545.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 932985 + ... + 1060694.

It is an arithmetic number, because the mean of its divisors is an integer number (3947486400).

Almost surely, 2^127306372545 is an apocalyptic number.

127306372545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127306372545 is a deficient number, since it is larger than the sum of its proper divisors (125332757055).

127306372545 is a wasteful number, since it uses less digits than its factorization.

127306372545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993747 (or 1993741 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 127306372545 in words is "one hundred twenty-seven billion, three hundred six million, three hundred seventy-two thousand, five hundred forty-five".