106263561421 has 8 divisors (see below), whose sum is σ = 110909232504. Its totient is φ = 101715694080.

The previous prime is 106263561413. The next prime is 106263561493. The reversal of 106263561421 is 124165362601.

It can be written as a sum of positive squares in 4 ways, for example, as 6081816196 + 100181745225 = 77986^2 + 316515^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106263561421 - 2³ = 106263561413 is a prime.

It is a super-2 number, since 2×106263561421² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106263561221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24448716 + ... + 24453061.

It is an arithmetic number, because the mean of its divisors is an integer number (13863654063).

Almost surely, 2^106263561421 is an apocalyptic number.

It is an amenable number.

106263561421 is a deficient number, since it is larger than the sum of its proper divisors (4645671083).

106263561421 is an equidigital number, since it uses as much as digits as its factorization.

106263561421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48901871.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 106263561421 in words is "one hundred six billion, two hundred sixty-three million, five hundred sixty-one thousand, four hundred twenty-one".