1047747988801 has 4 divisors (see below), whose sum is σ = 1047816812592. Its totient is φ = 1047679165012.

The previous prime is 1047747988799. The next prime is 1047747988831. The reversal of 1047747988801 is 1088897477401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1047747988801 - 2¹ = 1047747988799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1047747988831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34389055 + ... + 34419508.

It is an arithmetic number, because the mean of its divisors is an integer number (261954203148).

Almost surely, 2^{1047747988801} is an apocalyptic number.

It is an amenable number.

1047747988801 is a deficient number, since it is larger than the sum of its proper divisors (68823791).

1047747988801 is an equidigital number, since it uses as much as digits as its factorization.

1047747988801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68823790.

The product of its (nonzero) digits is 25288704, while the sum is 64.

The spelling of 1047747988801 in words is "one trillion, forty-seven billion, seven hundred forty-seven million, nine hundred eighty-eight thousand, eight hundred one".