5231102401521 has 6 divisors (see below), whose sum is σ = 7556036802210. Its totient is φ = 3487401601008.

The previous prime is 5231102401517. The next prime is 5231102401561. The reversal of 5231102401521 is 1251042011325.

It is a happy number.

5231102401521 is a `hidden beast` number, since 5 + 2 + 3 + 110 + 24 + 0 + 1 + 521 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5229019757025 + 2082644496 = 2286705^2 + 45636^2 .

It is not a de Polignac number, because 5231102401521 - 2² = 5231102401517 is a prime.

It is a super-2 number, since 2×5231102401521² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5231102401561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 290616800076 + ... + 290616800093.

It is an arithmetic number, because the mean of its divisors is an integer number (1259339467035).

Almost surely, 2^{5231102401521} is an apocalyptic number.

It is an amenable number.

5231102401521 is a deficient number, since it is larger than the sum of its proper divisors (2324934400689).

5231102401521 is a wasteful number, since it uses less digits than its factorization.

5231102401521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581233600175 (or 581233600172 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 5231102401521 its reverse (1251042011325), we get a palindrome (6482144412846).

The spelling of 5231102401521 in words is "five trillion, two hundred thirty-one billion, one hundred two million, four hundred one thousand, five hundred twenty-one".