43143201511 has 12 divisors (see below), whose sum is σ = 46137987936. Its totient is φ = 40203171200.

The previous prime is 43143201499. The next prime is 43143201557. The reversal of 43143201511 is 11510234134.

It is not a de Polignac number, because 43143201511 - 2¹³ = 43143193319 is a prime.

It is a super-2 number, since 2×43143201511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43143231511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49026 + ... + 297808.

It is an arithmetic number, because the mean of its divisors is an integer number (3844832328).

Almost surely, 2^43143201511 is an apocalyptic number.

43143201511 is a deficient number, since it is larger than the sum of its proper divisors (2994786425).

43143201511 is a wasteful number, since it uses less digits than its factorization.

43143201511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249002 (or 248901 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 43143201511 its reverse (11510234134), we get a palindrome (54653435645).

The spelling of 43143201511 in words is "forty-three billion, one hundred forty-three million, two hundred one thousand, five hundred eleven".