106439062501 has 8 divisors (see below), whose sum is σ = 106891333208. Its totient is φ = 105986880000.

The previous prime is 106439062487. The next prime is 106439062507. The reversal of 106439062501 is 105260934601.

It is a Cunningham number, because it is equal to 326250²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 70793244900 + 35645817601 = 266070^2 + 188801^2 .

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 106439062501 - 2¹⁷ = 106438931429 is a prime.

It is a super-2 number, since 2×106439062501² (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 (106439062507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3760201 + ... + 3788401.

It is an arithmetic number, because the mean of its divisors is an integer number (13361416651).

Almost surely, 2^106439062501 is an apocalyptic number.

It is an amenable number.

106439062501 is a deficient number, since it is larger than the sum of its proper divisors (452270707).

106439062501 is a wasteful number, since it uses less digits than its factorization.

106439062501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44103.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 106439062501 in words is "one hundred six billion, four hundred thirty-nine million, sixty-two thousand, five hundred one".