1128474547201 has 4 divisors (see below), whose sum is σ = 1146974130004. Its totient is φ = 1109974964400.

The previous prime is 1128474547129. The next prime is 1128474547229. The reversal of 1128474547201 is 1027454748211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67005911025 + 1061468636176 = 258855^2 + 1030276^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128474547201 - 2¹³ = 1128474539009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1128474547271) 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, 9249791310 + ... + 9249791431.

It is an arithmetic number, because the mean of its divisors is an integer number (286743532501).

Almost surely, 2^{1128474547201} is an apocalyptic number.

It is an amenable number.

1128474547201 is a deficient number, since it is larger than the sum of its proper divisors (18499582803).

1128474547201 is an equidigital number, since it uses as much as digits as its factorization.

1128474547201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18499582802.

The product of its (nonzero) digits is 501760, while the sum is 46.

The spelling of 1128474547201 in words is "one trillion, one hundred twenty-eight billion, four hundred seventy-four million, five hundred forty-seven thousand, two hundred one".