106450561387 has 4 divisors (see below), whose sum is σ = 109884450496. Its totient is φ = 103016672280.

The previous prime is 106450561379. The next prime is 106450561391. The reversal of 106450561387 is 783165054601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783165054601 = 215143 ⋅3640207.

It is a cyclic number.

It is not a de Polignac number, because 106450561387 - 2³ = 106450561379 is a prime.

It is a super-2 number, since 2×106450561387² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106450564387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1716944508 + ... + 1716944569.

It is an arithmetic number, because the mean of its divisors is an integer number (27471112624).

Almost surely, 2^106450561387 is an apocalyptic number.

106450561387 is a deficient number, since it is larger than the sum of its proper divisors (3433889109).

106450561387 is an equidigital number, since it uses as much as digits as its factorization.

106450561387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433889108.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 106450561387 in words is "one hundred six billion, four hundred fifty million, five hundred sixty-one thousand, three hundred eighty-seven".