1053405525123 has 48 divisors (see below), whose sum is σ = 1804978622720. Its totient is φ = 601406034336.

The previous prime is 1053405525119. The next prime is 1053405525131. The reversal of 1053405525123 is 3215255043501.

1053405525123 is a `hidden beast` number, since 1 + 0 + 5 + 3 + 4 + 0 + 5 + 525 + 123 = 666.

It is not a de Polignac number, because 1053405525123 - 2² = 1053405525119 is a prime.

It is a super-2 number, since 2×1053405525123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053405525023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1622808 + ... + 2177226.

Almost surely, 2^{1053405525123} is an apocalyptic number.

1053405525123 is a deficient number, since it is larger than the sum of its proper divisors (751573097597).

1053405525123 is an equidigital number, since it uses as much as digits as its factorization.

1053405525123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555558 (or 555546 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 1053405525123 in words is "one trillion, fifty-three billion, four hundred five million, five hundred twenty-five thousand, one hundred twenty-three".