100001541155 has 8 divisors (see below), whose sum is σ = 122555080512. Its totient is φ = 78299078848.

The previous prime is 100001541113. The next prime is 100001541179. The reversal of 100001541155 is 551145100001.

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 100001541155 - 2¹² = 100001537059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100001541155.

It is an unprimeable number.

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, 212769002 + ... + 212769471.

It is an arithmetic number, because the mean of its divisors is an integer number (15319385064).

Almost surely, 2^100001541155 is an apocalyptic number.

100001541155 is a deficient number, since it is larger than the sum of its proper divisors (22553539357).

100001541155 is an equidigital number, since it uses as much as digits as its factorization.

100001541155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425538525.

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 100001541155 its reverse (551145100001), we get a palindrome (651146641156).

The spelling of 100001541155 in words is "one hundred billion, one million, five hundred forty-one thousand, one hundred fifty-five".