15400202143 has 2 divisors, whose sum is σ = 15400202144. Its totient is φ = 15400202142.

The previous prime is 15400202113. The next prime is 15400202159. The reversal of 15400202143 is 34120200451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15400202143 - 2⁹ = 15400201631 is a prime.

It is a super-3 number, since 3×15400202143³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15400202113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7700101071 + 7700101072.

It is an arithmetic number, because the mean of its divisors is an integer number (7700101072).

Almost surely, 2^15400202143 is an apocalyptic number.

15400202143 is a deficient number, since it is larger than the sum of its proper divisors (1).

15400202143 is an equidigital number, since it uses as much as digits as its factorization.

15400202143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 15400202143 its reverse (34120200451), we get a palindrome (49520402594).

The spelling of 15400202143 in words is "fifteen billion, four hundred million, two hundred two thousand, one hundred forty-three".