120635005521403 has 32 divisors (see below), whose sum is σ = 132271806136320. Its totient is φ = 109677211902720.

The previous prime is 120635005521391. The next prime is 120635005521451. The reversal of 120635005521403 is 304125500536021.

It is a cyclic number.

It is not a de Polignac number, because 120635005521403 - 2²⁹ = 120634468650491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120635005522403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7590925 + ... + 17288497.

It is an arithmetic number, because the mean of its divisors is an integer number (4133493941760).

Almost surely, 2^{120635005521403} is an apocalyptic number.

120635005521403 is a deficient number, since it is larger than the sum of its proper divisors (11636800614917).

120635005521403 is a wasteful number, since it uses less digits than its factorization.

120635005521403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9697939.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 120635005521403 in words is "one hundred twenty trillion, six hundred thirty-five billion, five million, five hundred twenty-one thousand, four hundred three".