100505105050549 has 4 divisors (see below), whose sum is σ = 100573429392640. Its totient is φ = 100436780708460.

The previous prime is 100505105050523. The next prime is 100505105050561. The reversal of 100505105050549 is 945050501505001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100505105050549 - 2¹³ = 100505105042357 is a prime.

It is a super-2 number, since 2×100505105050549² (a number of 29 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 (100505105056549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34162168839 + ... + 34162171780.

It is an arithmetic number, because the mean of its divisors is an integer number (25143357348160).

Almost surely, 2^{100505105050549} is an apocalyptic number.

It is an amenable number.

100505105050549 is a deficient number, since it is larger than the sum of its proper divisors (68324342091).

100505105050549 is an equidigital number, since it uses as much as digits as its factorization.

100505105050549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68324342090.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 100505105050549 in words is "one hundred trillion, five hundred five billion, one hundred five million, fifty thousand, five hundred forty-nine".