100655561047 has 2 divisors, whose sum is σ = 100655561048. Its totient is φ = 100655561046.

The previous prime is 100655561021. The next prime is 100655561059. The reversal of 100655561047 is 740165556001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100655561047 - 2¹¹ = 100655558999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100655501047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50327780523 + 50327780524.

It is an arithmetic number, because the mean of its divisors is an integer number (50327780524).

Almost surely, 2^100655561047 is an apocalyptic number.

100655561047 is a deficient number, since it is larger than the sum of its proper divisors (1).

100655561047 is an equidigital number, since it uses as much as digits as its factorization.

100655561047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 100655561047 in words is "one hundred billion, six hundred fifty-five million, five hundred sixty-one thousand, forty-seven".