100051100005501 has 16 divisors (see below), whose sum is σ = 106169123390400. Its totient is φ = 93958989349120.

The previous prime is 100051100005453. The next prime is 100051100005537. The reversal of 100051100005501 is 105500001150001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100051100005501 - 2¹¹ = 100051100003453 is a prime.

It is a super-2 number, since 2×100051100005501² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100051100002501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51626295 + ... + 53529211.

It is an arithmetic number, because the mean of its divisors is an integer number (6635570211900).

Almost surely, 2^{100051100005501} is an apocalyptic number.

It is an amenable number.

100051100005501 is a deficient number, since it is larger than the sum of its proper divisors (6118023384899).

100051100005501 is a wasteful number, since it uses less digits than its factorization.

100051100005501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909724.

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 100051100005501 its reverse (105500001150001), we get a palindrome (205551101155502).

The spelling of 100051100005501 in words is "one hundred trillion, fifty-one billion, one hundred million, five thousand, five hundred one".