10105000105550 has 72 divisors (see below), whose sum is σ = 22276447727256. Its totient is φ = 3399202148160.

The previous prime is 10105000105549. The next prime is 10105000105619. The reversal of 10105000105550 is 5550100050101.

It is a happy number.

It is a super-2 number, since 2×10105000105550² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 38780432 + ... + 39040131.

It is an arithmetic number, because the mean of its divisors is an integer number (309395107323).

Almost surely, 2^{10105000105550} is an apocalyptic number.

10105000105550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10105000105550 is an abundant number, since it is smaller than the sum of its proper divisors (12171447621706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10105000105550 is a wasteful number, since it uses less digits than its factorization.

10105000105550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77820642 (or 77820630 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 23.

Adding to 10105000105550 its reverse (5550100050101), we get a palindrome (15655100155651).

The spelling of 10105000105550 in words is "ten trillion, one hundred five billion, one hundred five thousand, five hundred fifty".