106561755 has 12 divisors (see below), whose sum is σ = 184707120. Its totient is φ = 56832912.

The previous prime is 106561727. The next prime is 106561771. The reversal of 106561755 is 557165601.

It is not a de Polignac number, because 106561755 - 2⁵ = 106561723 is a prime.

It is a super-2 number, since 2×106561755² = 22710815257360050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1183975 + ... + 1184064.

It is an arithmetic number, because the mean of its divisors is an integer number (15392260).

Almost surely, 2^106561755 is an apocalyptic number.

106561755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

106561755 is a deficient number, since it is larger than the sum of its proper divisors (78145365).

106561755 is a wasteful number, since it uses less digits than its factorization.

106561755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368050 (or 2368047 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 106561755 is about 10322.8753261870. The cubic root of 106561755 is about 474.0969064272.

The spelling of 106561755 in words is "one hundred six million, five hundred sixty-one thousand, seven hundred fifty-five".