43555111012053 has 12 divisors (see below), whose sum is σ = 62917096208928. Its totient is φ = 29034821560680.

The previous prime is 43555111012043. The next prime is 43555111012069. The reversal of 43555111012053 is 35021011155534.

43555111012053 is a `hidden beast` number, since 4 + 3 + 5 + 5 + 511 + 10 + 120 + 5 + 3 = 666.

It is not a de Polignac number, because 43555111012053 - 2¹⁰ = 43555111011029 is a prime.

It is a super-2 number, since 2×43555111012053² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43555111011999 and 43555111012017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43555111012043) 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, 159782425 + ... + 160054782.

It is an arithmetic number, because the mean of its divisors is an integer number (5243091350744).

Almost surely, 2^{43555111012053} is an apocalyptic number.

It is an amenable number.

43555111012053 is a deficient number, since it is larger than the sum of its proper divisors (19361985196875).

43555111012053 is a wasteful number, since it uses less digits than its factorization.

43555111012053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319852344 (or 319852341 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

Adding to 43555111012053 its reverse (35021011155534), we get a palindrome (78576122167587).

The spelling of 43555111012053 in words is "forty-three trillion, five hundred fifty-five billion, one hundred eleven million, twelve thousand, fifty-three".