106561015 has 16 divisors (see below), whose sum is σ = 147705120. Its totient is φ = 72939520.

The previous prime is 106561003. The next prime is 106561031. The reversal of 106561015 is 510165601.

It is not a de Polignac number, because 106561015 - 2¹⁷ = 106429943 is a prime.

It is a super-2 number, since 2×106561015² = 22710499835660450, which 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, 56050 + ... + 57919.

It is an arithmetic number, because the mean of its divisors is an integer number (9231570).

Almost surely, 2^106561015 is an apocalyptic number.

106561015 is a deficient number, since it is larger than the sum of its proper divisors (41144105).

106561015 is a wasteful number, since it uses less digits than its factorization.

106561015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114002.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 106561015 is about 10322.8394833980. The cubic root of 106561015 is about 474.0958089962.

The spelling of 106561015 in words is "one hundred six million, five hundred sixty-one thousand, fifteen".