1391201506071 has 48 divisors (see below), whose sum is σ = 2216538324000. Its totient is φ = 835413820416.

The previous prime is 1391201506033. The next prime is 1391201506099. The reversal of 1391201506071 is 1706051021931.

It is a happy number.

1391201506071 is a `hidden beast` number, since 1 + 39 + 1 + 2 + 0 + 15 + 0 + 607 + 1 = 666.

It is not a de Polignac number, because 1391201506071 - 2⁷ = 1391201505943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1391201506001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5145715 + ... + 5409323.

It is an arithmetic number, because the mean of its divisors is an integer number (46177881750).

Almost surely, 2^{1391201506071} is an apocalyptic number.

1391201506071 is a deficient number, since it is larger than the sum of its proper divisors (825336817929).

1391201506071 is a wasteful number, since it uses less digits than its factorization.

1391201506071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264720 (or 264717 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The spelling of 1391201506071 in words is "one trillion, three hundred ninety-one billion, two hundred one million, five hundred six thousand, seventy-one".