5501111434321 has 16 divisors (see below), whose sum is σ = 5603707321920. Its totient is φ = 5398924576320.

The previous prime is 5501111434319. The next prime is 5501111434333. The reversal of 5501111434321 is 1234341111055.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5501111434321 - 2¹ = 5501111434319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5501111434121) 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, 80087890 + ... + 80156548.

It is an arithmetic number, because the mean of its divisors is an integer number (350231707620).

Almost surely, 2^{5501111434321} is an apocalyptic number.

It is an amenable number.

5501111434321 is a deficient number, since it is larger than the sum of its proper divisors (102595887599).

5501111434321 is a wasteful number, since it uses less digits than its factorization.

5501111434321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71616.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 5501111434321 its reverse (1234341111055), we get a palindrome (6735452545376).

The spelling of 5501111434321 in words is "five trillion, five hundred one billion, one hundred eleven million, four hundred thirty-four thousand, three hundred twenty-one".