11178099901 has 2 divisors, whose sum is σ = 11178099902. Its totient is φ = 11178099900.

The previous prime is 11178099899. The next prime is 11178099923. The reversal of 11178099901 is 10999087111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9034502500 + 2143597401 = 95050^2 + 46299^2 .

It is a cyclic number.

It is not a de Polignac number, because 11178099901 - 2¹ = 11178099899 is a prime.

Together with 11178099899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11178099941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5589049950 + 5589049951.

It is an arithmetic number, because the mean of its divisors is an integer number (5589049951).

Almost surely, 2^11178099901 is an apocalyptic number.

It is an amenable number.

11178099901 is a deficient number, since it is larger than the sum of its proper divisors (1).

11178099901 is an equidigital number, since it uses as much as digits as its factorization.

11178099901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 46.

It can be divided in two parts, 1117 and 8099901, that added together give a palindrome (8101018).

The spelling of 11178099901 in words is "eleven billion, one hundred seventy-eight million, ninety-nine thousand, nine hundred one".