1531485280071 has 24 divisors (see below), whose sum is σ = 2259313318080. Its totient is φ = 999222323136.

The previous prime is 1531485280057. The next prime is 1531485280103. The reversal of 1531485280071 is 1700825841351.

1531485280071 is a `hidden beast` number, since 1 + 53 + 1 + 4 + 8 + 528 + 0 + 0 + 71 = 666.

It is not a de Polignac number, because 1531485280071 - 2⁶ = 1531485280007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1531485279999 and 1531485280026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1531485284071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11274385 + ... + 11409413.

It is an arithmetic number, because the mean of its divisors is an integer number (94138054920).

Almost surely, 2^{1531485280071} is an apocalyptic number.

1531485280071 is a deficient number, since it is larger than the sum of its proper divisors (727828038009).

1531485280071 is a wasteful number, since it uses less digits than its factorization.

1531485280071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161895 (or 161892 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 1531485280071 in words is "one trillion, five hundred thirty-one billion, four hundred eighty-five million, two hundred eighty thousand, seventy-one".