1012534164405 has 48 divisors (see below), whose sum is σ = 1788352098624. Its totient is φ = 529838496000.

The previous prime is 1012534164401. The next prime is 1012534164427. The reversal of 1012534164405 is 5044614352101.

1012534164405 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 5 + 3 + 4 + 1 + 644 + 0 + 5 = 666.

It is not a de Polignac number, because 1012534164405 - 2² = 1012534164401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012534164405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012534164401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87777 + ... + 1425753.

It is an arithmetic number, because the mean of its divisors is an integer number (37257335388).

Almost surely, 2^{1012534164405} is an apocalyptic number.

1012534164405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012534164405 is a deficient number, since it is larger than the sum of its proper divisors (775817934219).

1012534164405 is a wasteful number, since it uses less digits than its factorization.

1012534164405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338306 (or 1338303 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 1012534164405 in words is "one trillion, twelve billion, five hundred thirty-four million, one hundred sixty-four thousand, four hundred five".