100061665087 has 2 divisors, whose sum is σ = 100061665088. Its totient is φ = 100061665086.

The previous prime is 100061665063. The next prime is 100061665141. The reversal of 100061665087 is 780566160001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100061665087 - 2⁷ = 100061664959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100061665027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50030832543 + 50030832544.

It is an arithmetic number, because the mean of its divisors is an integer number (50030832544).

Almost surely, 2^100061665087 is an apocalyptic number.

100061665087 is a deficient number, since it is larger than the sum of its proper divisors (1).

100061665087 is an equidigital number, since it uses as much as digits as its factorization.

100061665087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 100061665087 in words is "one hundred billion, sixty-one million, six hundred sixty-five thousand, eighty-seven".