100401123404045 has 8 divisors (see below), whose sum is σ = 123737600736024. Its totient is φ = 78150063622464.

The previous prime is 100401123404009. The next prime is 100401123404047. The reversal of 100401123404045 is 540404321104001.

It can be written as a sum of positive squares in 4 ways, for example, as 22954188848809 + 77446934555236 = 4791053^2 + 8800394^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100401123404045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100401123403999 and 100401123404017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100401123404047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271354387394 + ... + 271354387763.

It is an arithmetic number, because the mean of its divisors is an integer number (15467200092003).

Almost surely, 2^{100401123404045} is an apocalyptic number.

It is an amenable number.

100401123404045 is a deficient number, since it is larger than the sum of its proper divisors (23336477331979).

100401123404045 is an equidigital number, since it uses as much as digits as its factorization.

100401123404045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542708775199.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 100401123404045 its reverse (540404321104001), we get a palindrome (640805444508046).

The spelling of 100401123404045 in words is "one hundred trillion, four hundred one billion, one hundred twenty-three million, four hundred four thousand, forty-five".