106789397561 has 16 divisors (see below), whose sum is σ = 133427632128. Its totient is φ = 83032765200.

The previous prime is 106789397537. The next prime is 106789397567. The reversal of 106789397561 is 165793987601.

It is not a de Polignac number, because 106789397561 - 2¹⁰ = 106789396537 is a prime.

It is a super-2 number, since 2×106789397561² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106789397494 and 106789397503.

It is not an unprimeable number, because it can be changed into a prime (106789397567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1462055 + ... + 1533356.

It is an arithmetic number, because the mean of its divisors is an integer number (8339227008).

Almost surely, 2^106789397561 is an apocalyptic number.

106789397561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

106789397561 is a deficient number, since it is larger than the sum of its proper divisors (26638234567).

106789397561 is a wasteful number, since it uses less digits than its factorization.

106789397561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995892.

The product of its (nonzero) digits is 17146080, while the sum is 62.

The spelling of 106789397561 in words is "one hundred six billion, seven hundred eighty-nine million, three hundred ninety-seven thousand, five hundred sixty-one".