100511505030397 has 2 divisors, whose sum is σ = 100511505030398. Its totient is φ = 100511505030396.

The previous prime is 100511505030389. The next prime is 100511505030529. The reversal of 100511505030397 is 793030505115001.

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., 61814408981796 + 38697096048601 = 7862214^2 + 6220699^2 .

It is a cyclic number.

It is not a de Polignac number, because 100511505030397 - 2³ = 100511505030389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100511505033397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50255752515198 + 50255752515199.

It is an arithmetic number, because the mean of its divisors is an integer number (50255752515199).

Almost surely, 2^{100511505030397} is an apocalyptic number.

It is an amenable number.

100511505030397 is a deficient number, since it is larger than the sum of its proper divisors (1).

100511505030397 is an equidigital number, since it uses as much as digits as its factorization.

100511505030397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70875, while the sum is 40.

The spelling of 100511505030397 in words is "one hundred trillion, five hundred eleven billion, five hundred five million, thirty thousand, three hundred ninety-seven".