105533012252 has 24 divisors (see below), whose sum is σ = 191187032400. Its totient is φ = 50910734336.

The previous prime is 105533012231. The next prime is 105533012293. The reversal of 105533012252 is 252210335501.

It is a super-2 number, since 2×105533012252² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159398 + ... + 486285.

It is an arithmetic number, because the mean of its divisors is an integer number (7966126350).

Almost surely, 2^105533012252 is an apocalyptic number.

It is an amenable number.

105533012252 is a deficient number, since it is larger than the sum of its proper divisors (85654020148).

105533012252 is a wasteful number, since it uses less digits than its factorization.

105533012252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647125 (or 647123 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 105533012252 its reverse (252210335501), we get a palindrome (357743347753).

The spelling of 105533012252 in words is "one hundred five billion, five hundred thirty-three million, twelve thousand, two hundred fifty-two".