1001455425405 has 72 divisors (see below), whose sum is σ = 1848849708888. Its totient is φ = 501247388928.

The previous prime is 1001455425401. The next prime is 1001455425431. The reversal of 1001455425405 is 5045245541001.

1001455425405 is a `hidden beast` number, since 10 + 0 + 14 + 55 + 42 + 540 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 174034146276 + 827421279129 = 417174^2 + 909627^2 .

It is not a de Polignac number, because 1001455425405 - 2² = 1001455425401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001455425405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001455425401) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 864787 + ... + 1658543.

It is an arithmetic number, because the mean of its divisors is an integer number (25678468179).

Almost surely, 2^{1001455425405} is an apocalyptic number.

1001455425405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001455425405 is a deficient number, since it is larger than the sum of its proper divisors (847394283483).

1001455425405 is a wasteful number, since it uses less digits than its factorization.

1001455425405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793867 (or 793841 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 1001455425405 in words is "one trillion, one billion, four hundred fifty-five million, four hundred twenty-five thousand, four hundred five".