1461056431505 has 16 divisors (see below), whose sum is σ = 1930203000000. Its totient is φ = 1052837991360.

The previous prime is 1461056431487. The next prime is 1461056431547. The reversal of 1461056431505 is 5051346501641.

It is not a de Polignac number, because 1461056431505 - 2¹² = 1461056427409 is a prime.

It is a super-3 number, since 3×1461056431505³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121850255 + ... + 121862244.

It is an arithmetic number, because the mean of its divisors is an integer number (120637687500).

Almost surely, 2^{1461056431505} is an apocalyptic number.

It is an amenable number.

1461056431505 is a deficient number, since it is larger than the sum of its proper divisors (469146568495).

1461056431505 is a wasteful number, since it uses less digits than its factorization.

1461056431505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243712624.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 1461056431505 in words is "one trillion, four hundred sixty-one billion, fifty-six million, four hundred thirty-one thousand, five hundred five".