100005001051 has 4 divisors (see below), whose sum is σ = 100005774912. Its totient is φ = 100004227192.

The previous prime is 100005001043. The next prime is 100005001133. The reversal of 100005001051 is 150100500001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 150100500001 = 4591 ⋅32694511.

It is a cyclic number.

It is not a de Polignac number, because 100005001051 - 2³ = 100005001043 is a prime.

It is a super-2 number, since 2×100005001051² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100005001001) 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, 140971 + ... + 468916.

It is an arithmetic number, because the mean of its divisors is an integer number (25001443728).

Almost surely, 2^100005001051 is an apocalyptic number.

100005001051 is a deficient number, since it is larger than the sum of its proper divisors (773861).

100005001051 is an equidigital number, since it uses as much as digits as its factorization.

100005001051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773860.

The product of its (nonzero) digits is 25, while the sum is 13.

Adding to 100005001051 its reverse (150100500001), we get a palindrome (250105501052).

The spelling of 100005001051 in words is "one hundred billion, five million, one thousand, fifty-one".