120534005400405 has 32 divisors (see below), whose sum is σ = 195194835279360. Its totient is φ = 63504794633280.

The previous prime is 120534005400401. The next prime is 120534005400409. The reversal of 120534005400405 is 504004500435021.

It is an interprime number because it is at equal distance from previous prime (120534005400401) and next prime (120534005400409).

It is not a de Polignac number, because 120534005400405 - 2² = 120534005400401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120534005400401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10235250 + ... + 18596460.

It is an arithmetic number, because the mean of its divisors is an integer number (6099838602480).

Almost surely, 2^{120534005400405} is an apocalyptic number.

120534005400405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120534005400405 is a deficient number, since it is larger than the sum of its proper divisors (74660829878955).

120534005400405 is a wasteful number, since it uses less digits than its factorization.

120534005400405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372881.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 120534005400405 its reverse (504004500435021), we get a palindrome (624538505835426).

The spelling of 120534005400405 in words is "one hundred twenty trillion, five hundred thirty-four billion, five million, four hundred thousand, four hundred five".