100507060081 has 2 divisors, whose sum is σ = 100507060082. Its totient is φ = 100507060080.

The previous prime is 100507060067. The next prime is 100507060141. The reversal of 100507060081 is 180060705001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99988131681 + 518928400 = 316209^2 + 22780^2 .

It is a cyclic number.

It is not a de Polignac number, because 100507060081 - 2⁷ = 100507059953 is a prime.

It is a super-3 number, since 3×100507060081³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (100507060481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50253530040 + 50253530041.

It is an arithmetic number, because the mean of its divisors is an integer number (50253530041).

Almost surely, 2^100507060081 is an apocalyptic number.

It is an amenable number.

100507060081 is a deficient number, since it is larger than the sum of its proper divisors (1).

100507060081 is an equidigital number, since it uses as much as digits as its factorization.

100507060081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 28.

Adding to 100507060081 its reverse (180060705001), we get a palindrome (280567765082).

The spelling of 100507060081 in words is "one hundred billion, five hundred seven million, sixty thousand, eighty-one".