43401321051135 has 32 divisors (see below), whose sum is σ = 72461792125440. Its totient is φ = 22140824416128.

The previous prime is 43401321051107. The next prime is 43401321051139. The reversal of 43401321051135 is 53115012310434.

It is not a de Polignac number, because 43401321051135 - 2¹⁷ = 43401320920063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43401321051096 and 43401321051105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43401321051139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75606817 + ... + 76178693.

It is an arithmetic number, because the mean of its divisors is an integer number (2264431003920).

Almost surely, 2^{43401321051135} is an apocalyptic number.

43401321051135 is a deficient number, since it is larger than the sum of its proper divisors (29060471074305).

43401321051135 is a wasteful number, since it uses less digits than its factorization.

43401321051135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791887.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 43401321051135 its reverse (53115012310434), we get a palindrome (96516333361569).

The spelling of 43401321051135 in words is "forty-three trillion, four hundred one billion, three hundred twenty-one million, fifty-one thousand, one hundred thirty-five".