1045523007405 has 12 divisors (see below), whose sum is σ = 1812239879580. Its totient is φ = 557612270592.

The previous prime is 1045523007383. The next prime is 1045523007421. The reversal of 1045523007405 is 5047003255401.

1045523007405 is a `hidden beast` number, since 1 + 0 + 4 + 552 + 30 + 0 + 74 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 781744210569 + 263778796836 = 884163^2 + 513594^2 .

It is not a de Polignac number, because 1045523007405 - 2¹¹ = 1045523005357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1045523007405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11616922260 + ... + 11616922349.

It is an arithmetic number, because the mean of its divisors is an integer number (151019989965).

Almost surely, 2^{1045523007405} is an apocalyptic number.

1045523007405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045523007405 is a deficient number, since it is larger than the sum of its proper divisors (766716872175).

1045523007405 is a wasteful number, since it uses less digits than its factorization.

1045523007405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23233844620 (or 23233844617 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 1045523007405 in words is "one trillion, forty-five billion, five hundred twenty-three million, seven thousand, four hundred five".