105531133553 has 8 divisors (see below), whose sum is σ = 111132067200. Its totient is φ = 99934866288.

The previous prime is 105531133531. The next prime is 105531133577. The reversal of 105531133553 is 355331135501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105531133553 - 2⁸ = 105531133297 is a prime.

It is a super-2 number, since 2×105531133553² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105531133453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120118 + ... + 1210671.

It is an arithmetic number, because the mean of its divisors is an integer number (13891508400).

Almost surely, 2^105531133553 is an apocalyptic number.

It is an amenable number.

105531133553 is a deficient number, since it is larger than the sum of its proper divisors (5600933647).

105531133553 is a wasteful number, since it uses less digits than its factorization.

105531133553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333191.

The product of its (nonzero) digits is 50625, while the sum is 35.

The spelling of 105531133553 in words is "one hundred five billion, five hundred thirty-one million, one hundred thirty-three thousand, five hundred fifty-three".