100154515154851 has 4 divisors (see below), whose sum is σ = 100427415741472. Its totient is φ = 99881614568232.

The previous prime is 100154515154843. The next prime is 100154515154873. The reversal of 100154515154851 is 158451515451001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100154515154851 - 2³ = 100154515154843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100154515154821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136450292760 + ... + 136450293493.

It is an arithmetic number, because the mean of its divisors is an integer number (25106853935368).

Almost surely, 2^{100154515154851} is an apocalyptic number.

100154515154851 is a deficient number, since it is larger than the sum of its proper divisors (272900586621).

100154515154851 is an equidigital number, since it uses as much as digits as its factorization.

100154515154851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272900586620.

The product of its (nonzero) digits is 400000, while the sum is 46.

The spelling of 100154515154851 in words is "one hundred trillion, one hundred fifty-four billion, five hundred fifteen million, one hundred fifty-four thousand, eight hundred fifty-one".