1040051510405 has 16 divisors (see below), whose sum is σ = 1249618546800. Its totient is φ = 831004039680.

The previous prime is 1040051510257. The next prime is 1040051510431. The reversal of 1040051510405 is 5040151500401.

It can be written as a sum of positive squares in 8 ways, for example, as 184413560356 + 855637950049 = 429434^2 + 925007^2 .

It is not a de Polignac number, because 1040051510405 - 2³⁶ = 971332033669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13208291 + ... + 13286799.

It is an arithmetic number, because the mean of its divisors is an integer number (78101159175).

Almost surely, 2^{1040051510405} is an apocalyptic number.

It is an amenable number.

1040051510405 is a deficient number, since it is larger than the sum of its proper divisors (209567036395).

1040051510405 is a wasteful number, since it uses less digits than its factorization.

1040051510405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81784.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 1040051510405 in words is "one trillion, forty billion, fifty-one million, five hundred ten thousand, four hundred five".