10143215541 has 12 divisors (see below), whose sum is σ = 15008660940. Its totient is φ = 6597213120.

The previous prime is 10143215503. The next prime is 10143215573. The reversal of 10143215541 is 14551234101.

10143215541 is a `hidden beast` number, since 101 + 4 + 3 + 2 + 1 + 554 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2248182225 + 7895033316 = 47415^2 + 88854^2 .

It is not a de Polignac number, because 10143215541 - 2⁷ = 10143215413 is a prime.

It is a super-2 number, since 2×10143215541² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10143215581) 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 11 ways as a sum of consecutive naturals, for example, 13743826 + ... + 13744563.

It is an arithmetic number, because the mean of its divisors is an integer number (1250721745).

Almost surely, 2^10143215541 is an apocalyptic number.

It is an amenable number.

10143215541 is a deficient number, since it is larger than the sum of its proper divisors (4865445399).

10143215541 is a wasteful number, since it uses less digits than its factorization.

10143215541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27488436 (or 27488433 counting only the distinct ones).

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

Adding to 10143215541 its reverse (14551234101), we get a palindrome (24694449642).

The spelling of 10143215541 in words is "ten billion, one hundred forty-three million, two hundred fifteen thousand, five hundred forty-one".