100500001051 has 4 divisors (see below), whose sum is σ = 100562541552. Its totient is φ = 100437460552.

The previous prime is 100500001013. The next prime is 100500001087. The reversal of 100500001051 is 150100005001.

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 100500001051 - 2²¹ = 100497903899 is a prime.

It is a super-2 number, since 2×100500001051² (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 (100500071051) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 31267840 + ... + 31271053.

It is an arithmetic number, because the mean of its divisors is an integer number (25140635388).

Almost surely, 2^100500001051 is an apocalyptic number.

100500001051 is a deficient number, since it is larger than the sum of its proper divisors (62540501).

100500001051 is an equidigital number, since it uses as much as digits as its factorization.

100500001051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62540500.

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

Adding to 100500001051 its reverse (150100005001), we get a palindrome (250600006052).

The spelling of 100500001051 in words is "one hundred billion, five hundred million, one thousand, fifty-one".