1461601406005 has 8 divisors (see below), whose sum is σ = 1888838740152. Its totient is φ = 1079336422848.

The previous prime is 1461601405997. The next prime is 1461601406009. The reversal of 1461601406005 is 5006041061641.

It can be written as a sum of positive squares in 4 ways, for example, as 198916 + 1461601207089 = 446^2 + 1208967^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1461601406005 - 2³ = 1461601405997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461601406009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11243087674 + ... + 11243087803.

It is an arithmetic number, because the mean of its divisors is an integer number (236104842519).

Almost surely, 2^{1461601406005} is an apocalyptic number.

It is an amenable number.

1461601406005 is a deficient number, since it is larger than the sum of its proper divisors (427237334147).

1461601406005 is a wasteful number, since it uses less digits than its factorization.

1461601406005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22486175495.

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 1461601406005 its reverse (5006041061641), we get a palindrome (6467642467646).

The spelling of 1461601406005 in words is "one trillion, four hundred sixty-one billion, six hundred one million, four hundred six thousand, five".