11100101001047 has 2 divisors, whose sum is σ = 11100101001048. Its totient is φ = 11100101001046.

The previous prime is 11100101001043. The next prime is 11100101001071. The reversal of 11100101001047 is 74010010100111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11100101001047 - 2² = 11100101001043 is a prime.

It is a super-2 number, since 2×11100101001047² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100101001043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550050500523 + 5550050500524.

It is an arithmetic number, because the mean of its divisors is an integer number (5550050500524).

Almost surely, 2^{11100101001047} is an apocalyptic number.

11100101001047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100101001047 is an equidigital number, since it uses as much as digits as its factorization.

11100101001047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 11100101001047 its reverse (74010010100111), we get a palindrome (85110111101158).

It can be divided in two parts, 1110010100104 and 7, that added together give a palindrome (1110010100111).

The spelling of 11100101001047 in words is "eleven trillion, one hundred billion, one hundred one million, one thousand, forty-seven".