42403115501 has 8 divisors (see below), whose sum is σ = 43124361144. Its totient is φ = 41682712320.

The previous prime is 42403115483. The next prime is 42403115533. The reversal of 42403115501 is 10551130424.

It can be written as a sum of positive squares in 4 ways, for example, as 1909602601 + 40493512900 = 43699^2 + 201230^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42403115501 - 2³⁰ = 41329373677 is a prime.

It is a super-2 number, since 2×42403115501² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42403115101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108680 + ... + 310833.

It is an arithmetic number, because the mean of its divisors is an integer number (5390545143).

Almost surely, 2^42403115501 is an apocalyptic number.

It is an amenable number.

42403115501 is a deficient number, since it is larger than the sum of its proper divisors (721245643).

42403115501 is a wasteful number, since it uses less digits than its factorization.

42403115501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421231.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 42403115501 its reverse (10551130424), we get a palindrome (52954245925).

The spelling of 42403115501 in words is "forty-two billion, four hundred three million, one hundred fifteen thousand, five hundred one".