105512154603652 has 24 divisors (see below), whose sum is σ = 184731738347520. Its totient is φ = 52731659625600.

The previous prime is 105512154603649. The next prime is 105512154603677. The reversal of 105512154603652 is 256306451215501.

It is a happy number.

It is a super-2 number, since 2×105512154603652² (a number of 29 digits) contains 22 as substring.

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, 268824124 + ... + 269216332.

It is an arithmetic number, because the mean of its divisors is an integer number (7697155764480).

Almost surely, 2^{105512154603652} is an apocalyptic number.

It is an amenable number.

105512154603652 is a deficient number, since it is larger than the sum of its proper divisors (79219583743868).

105512154603652 is a wasteful number, since it uses less digits than its factorization.

105512154603652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423171 (or 423169 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 105512154603652 in words is "one hundred five trillion, five hundred twelve billion, one hundred fifty-four million, six hundred three thousand, six hundred fifty-two".