127731013111 has 16 divisors (see below), whose sum is σ = 140798242816. Its totient is φ = 115128560736.

The previous prime is 127731013037. The next prime is 127731013117. The reversal of 127731013111 is 111310137721.

It is a cyclic number.

It is not a de Polignac number, because 127731013111 - 2¹¹ = 127731011063 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 127731013111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127731013117) 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, 1902826 + ... + 1968808.

It is an arithmetic number, because the mean of its divisors is an integer number (8799890176).

Almost surely, 2^127731013111 is an apocalyptic number.

127731013111 is a deficient number, since it is larger than the sum of its proper divisors (13067229705).

127731013111 is a wasteful number, since it uses less digits than its factorization.

127731013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69502.

The product of its (nonzero) digits is 882, while the sum is 28.

It can be divided in two parts, 1277310 and 13111, that added together give a triangular number (1290421 = T₁₆₀₆).

The spelling of 127731013111 in words is "one hundred twenty-seven billion, seven hundred thirty-one million, thirteen thousand, one hundred eleven".