10111005500087 has 2 divisors, whose sum is σ = 10111005500088. Its totient is φ = 10111005500086.

The previous prime is 10111005500039. The next prime is 10111005500131. The reversal of 10111005500087 is 78000550011101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10111005500087 - 2²⁶ = 10110938391223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111001500087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055502750043 + 5055502750044.

It is an arithmetic number, because the mean of its divisors is an integer number (5055502750044).

Almost surely, 2^{10111005500087} is an apocalyptic number.

10111005500087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111005500087 is an equidigital number, since it uses as much as digits as its factorization.

10111005500087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 29.

Adding to 10111005500087 its reverse (78000550011101), we get a palindrome (88111555511188).

The spelling of 10111005500087 in words is "ten trillion, one hundred eleven billion, five million, five hundred thousand, eighty-seven".