43111215473452 has 72 divisors (see below), whose sum is σ = 92390559433200. Its totient is φ = 17502023863296.

The previous prime is 43111215473449. The next prime is 43111215473467. The reversal of 43111215473452 is 25437451211134.

It is a junction number, because it is equal to n+sod(n) for n = 43111215473399 and 43111215473408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36392628 + ... + 37558564.

It is an arithmetic number, because the mean of its divisors is an integer number (1283202214350).

Almost surely, 2^{43111215473452} is an apocalyptic number.

It is an amenable number.

43111215473452 is an abundant number, since it is smaller than the sum of its proper divisors (49279343959748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43111215473452 is a wasteful number, since it uses less digits than its factorization.

43111215473452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175903 (or 1175894 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

Adding to 43111215473452 its reverse (25437451211134), we get a palindrome (68548666684586).

The spelling of 43111215473452 in words is "forty-three trillion, one hundred eleven billion, two hundred fifteen million, four hundred seventy-three thousand, four hundred fifty-two".