100415426155721 has 8 divisors (see below), whose sum is σ = 104781458814144. Its totient is φ = 96049405544400.

The previous prime is 100415426155687. The next prime is 100415426155763. The reversal of 100415426155721 is 127551624514001.

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 100415426155721 - 2⁶ = 100415426155657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100415426155021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16791710 + ... + 21972536.

It is an arithmetic number, because the mean of its divisors is an integer number (13097682351768).

Almost surely, 2^{100415426155721} is an apocalyptic number.

It is an amenable number.

100415426155721 is a deficient number, since it is larger than the sum of its proper divisors (4366032658423).

100415426155721 is an equidigital number, since it uses as much as digits as its factorization.

100415426155721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6023551.

The product of its (nonzero) digits is 336000, while the sum is 44.

The spelling of 100415426155721 in words is "one hundred trillion, four hundred fifteen billion, four hundred twenty-six million, one hundred fifty-five thousand, seven hundred twenty-one".