10404431501 has 16 divisors (see below), whose sum is σ = 11105330688. Its totient is φ = 9724915200.

The previous prime is 10404431497. The next prime is 10404431503. The reversal of 10404431501 is 10513440401.

It is not a de Polignac number, because 10404431501 - 2² = 10404431497 is a prime.

It is a super-2 number, since 2×10404431501² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404431503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707261 + ... + 721821.

It is an arithmetic number, because the mean of its divisors is an integer number (694083168).

Almost surely, 2^10404431501 is an apocalyptic number.

It is an amenable number.

10404431501 is a deficient number, since it is larger than the sum of its proper divisors (700899187).

10404431501 is a wasteful number, since it uses less digits than its factorization.

10404431501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15292.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 10404431501 its reverse (10513440401), we get a palindrome (20917871902).

The spelling of 10404431501 in words is "ten billion, four hundred four million, four hundred thirty-one thousand, five hundred one".