100091510076461 has 2 divisors, whose sum is σ = 100091510076462. Its totient is φ = 100091510076460.

The previous prime is 100091510076427. The next prime is 100091510076473. The reversal of 100091510076461 is 164670015190001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95015023429225 + 5076486647236 = 9747565^2 + 2253106^2 .

It is a cyclic number.

It is not a de Polignac number, because 100091510076461 - 2¹⁰ = 100091510075437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100091510076661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50045755038230 + 50045755038231.

It is an arithmetic number, because the mean of its divisors is an integer number (50045755038231).

Almost surely, 2^{100091510076461} is an apocalyptic number.

It is an amenable number.

100091510076461 is a deficient number, since it is larger than the sum of its proper divisors (1).

100091510076461 is an equidigital number, since it uses as much as digits as its factorization.

100091510076461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 100091510076461 in words is "one hundred trillion, ninety-one billion, five hundred ten million, seventy-six thousand, four hundred sixty-one".