127007377155761 has 16 divisors (see below), whose sum is σ = 139287121827840. Its totient is φ = 115272100097280.

The previous prime is 127007377155707. The next prime is 127007377155767. The reversal of 127007377155761 is 167551773700721.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127007377155761 is a prime.

It is a super-2 number, since 2×127007377155761² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127007377155761.

It is not an unprimeable number, because it can be changed into a prime (127007377155767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158429681 + ... + 159229326.

It is an arithmetic number, because the mean of its divisors is an integer number (8705445114240).

Almost surely, 2^{127007377155761} is an apocalyptic number.

It is an amenable number.

127007377155761 is a deficient number, since it is larger than the sum of its proper divisors (12279744672079).

127007377155761 is a wasteful number, since it uses less digits than its factorization.

127007377155761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317659864.

The product of its (nonzero) digits is 15126300, while the sum is 59.

The spelling of 127007377155761 in words is "one hundred twenty-seven trillion, seven billion, three hundred seventy-seven million, one hundred fifty-five thousand, seven hundred sixty-one".