1505465172133 has 4 divisors (see below), whose sum is σ = 1621270185388. Its totient is φ = 1389660158880.

The previous prime is 1505465172067. The next prime is 1505465172163. The reversal of 1505465172133 is 3312715645051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 839711984164 + 665753187969 = 916358^2 + 815937^2 .

It is a cyclic number.

It is not a de Polignac number, because 1505465172133 - 2⁹ = 1505465171621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1505465172133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1505465172163) 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 3 ways as a sum of consecutive naturals, for example, 57902506608 + ... + 57902506633.

It is an arithmetic number, because the mean of its divisors is an integer number (405317546347).

Almost surely, 2^{1505465172133} is an apocalyptic number.

1505465172133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1505465172133 is a deficient number, since it is larger than the sum of its proper divisors (115805013255).

1505465172133 is a wasteful number, since it uses less digits than its factorization.

1505465172133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115805013254.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 1505465172133 in words is "one trillion, five hundred five billion, four hundred sixty-five million, one hundred seventy-two thousand, one hundred thirty-three".