501113532401 has 32 divisors (see below), whose sum is σ = 539525015808. Its totient is φ = 464344151040.

The previous prime is 501113532373. The next prime is 501113532433. The reversal of 501113532401 is 104235311105.

It is a cyclic number.

It is not a de Polignac number, because 501113532401 - 2³⁴ = 483933663217 is a prime.

It is a super-2 number, since 2×501113532401² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (501113532901) 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 31 ways as a sum of consecutive naturals, for example, 80600645 + ... + 80606861.

It is an arithmetic number, because the mean of its divisors is an integer number (16860156744).

Almost surely, 2^501113532401 is an apocalyptic number.

It is an amenable number.

501113532401 is a deficient number, since it is larger than the sum of its proper divisors (38411483407).

501113532401 is a wasteful number, since it uses less digits than its factorization.

501113532401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7161.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 501113532401 its reverse (104235311105), we get a palindrome (605348843506).

The spelling of 501113532401 in words is "five hundred one billion, one hundred thirteen million, five hundred thirty-two thousand, four hundred one".