100551000556001 has 4 divisors (see below), whose sum is σ = 100599180242112. Its totient is φ = 100502820869892.

The previous prime is 100551000555937. The next prime is 100551000556009. The reversal of 100551000556001 is 100655000155001.

It is a happy number.

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 100551000556001 - 2⁶ = 100551000555937 is a prime.

It is a super-2 number, since 2×100551000556001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100551000556009) 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, 24089839925 + ... + 24089844098.

It is an arithmetic number, because the mean of its divisors is an integer number (25149795060528).

Almost surely, 2^{100551000556001} is an apocalyptic number.

It is an amenable number.

100551000556001 is a deficient number, since it is larger than the sum of its proper divisors (48179686111).

100551000556001 is an equidigital number, since it uses as much as digits as its factorization.

100551000556001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48179686110.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 100551000556001 in words is "one hundred trillion, five hundred fifty-one billion, five hundred fifty-six thousand, one".