105783530357830 has 32 divisors (see below), whose sum is σ = 205061550692544. Its totient is φ = 39057725582976.

The previous prime is 105783530357807. The next prime is 105783530357851. The reversal of 105783530357830 is 38753035387501.

It is a happy number.

It is a super-2 number, since 2×105783530357830² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2102962 + ... + 14696581.

It is an arithmetic number, because the mean of its divisors is an integer number (6408173459142).

Almost surely, 2^{105783530357830} is an apocalyptic number.

105783530357830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105783530357830 is a deficient number, since it is larger than the sum of its proper divisors (99278020334714).

105783530357830 is a wasteful number, since it uses less digits than its factorization.

105783530357830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16848000.

The product of its (nonzero) digits is 31752000, while the sum is 58.

The spelling of 105783530357830 in words is "one hundred five trillion, seven hundred eighty-three billion, five hundred thirty million, three hundred fifty-seven thousand, eight hundred thirty".