1472572135805 has 8 divisors (see below), whose sum is σ = 1774670626872. Its totient is φ = 1173001666048.

The previous prime is 1472572135733. The next prime is 1472572135823. The reversal of 1472572135805 is 5085312752741.

It can be written as a sum of positive squares in 4 ways, for example, as 94807952281 + 1377764183524 = 307909^2 + 1173782^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1472572135805 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 632004044 + ... + 632006373.

It is an arithmetic number, because the mean of its divisors is an integer number (221833828359).

Almost surely, 2^{1472572135805} is an apocalyptic number.

It is an amenable number.

1472572135805 is a deficient number, since it is larger than the sum of its proper divisors (302098491067).

1472572135805 is a wasteful number, since it uses less digits than its factorization.

1472572135805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264010655.

The product of its (nonzero) digits is 2352000, while the sum is 50.

The spelling of 1472572135805 in words is "one trillion, four hundred seventy-two billion, five hundred seventy-two million, one hundred thirty-five thousand, eight hundred five".