1387831773101 has 2 divisors, whose sum is σ = 1387831773102. Its totient is φ = 1387831773100.

The previous prime is 1387831773077. The next prime is 1387831773113. The reversal of 1387831773101 is 1013771387831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 875890092100 + 511941681001 = 935890^2 + 715501^2 .

It is a cyclic number.

It is not a de Polignac number, because 1387831773101 - 2³⁴ = 1370651903917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1387831773101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1387831773151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693915886550 + 693915886551.

It is an arithmetic number, because the mean of its divisors is an integer number (693915886551).

Almost surely, 2^{1387831773101} is an apocalyptic number.

It is an amenable number.

1387831773101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1387831773101 is an equidigital number, since it uses as much as digits as its factorization.

1387831773101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 50.

The spelling of 1387831773101 in words is "one trillion, three hundred eighty-seven billion, eight hundred thirty-one million, seven hundred seventy-three thousand, one hundred one".