105001105551 has 8 divisors (see below), whose sum is σ = 140506895664. Its totient is φ = 69748026240.

The previous prime is 105001105537. The next prime is 105001105553. The reversal of 105001105551 is 155501100501.

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

It is not a de Polignac number, because 105001105551 - 2²¹ = 104999008399 is a prime.

It is a super-2 number, since 2×105001105551² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105001105553) 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 7 ways as a sum of consecutive naturals, for example, 63176730 + ... + 63178391.

It is an arithmetic number, because the mean of its divisors is an integer number (17563361958).

Almost surely, 2^105001105551 is an apocalyptic number.

105001105551 is a deficient number, since it is larger than the sum of its proper divisors (35505790113).

105001105551 is a wasteful number, since it uses less digits than its factorization.

105001105551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126355401.

The product of its (nonzero) digits is 625, while the sum is 24.

The spelling of 105001105551 in words is "one hundred five billion, one million, one hundred five thousand, five hundred fifty-one".