4511400121 has 16 divisors (see below), whose sum is σ = 4773978000. Its totient is φ = 4258096128.

The previous prime is 4511400079. The next prime is 4511400151. The reversal of 4511400121 is 1210041154.

It can be written as a sum of positive squares in 8 ways, for example, as 113720896 + 4397679225 = 10664^2 + 66315^2 .

It is a cyclic number.

It is not a de Polignac number, because 4511400121 - 2⁹ = 4511399609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4511400151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161605 + ... + 187453.

It is an arithmetic number, because the mean of its divisors is an integer number (298373625).

Almost surely, 2^4511400121 is an apocalyptic number.

It is an amenable number.

4511400121 is a deficient number, since it is larger than the sum of its proper divisors (262577879).

4511400121 is a wasteful number, since it uses less digits than its factorization.

4511400121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26028.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 4511400121 is about 67166.9570622341. The cubic root of 4511400121 is about 1652.3566106549.

Adding to 4511400121 its reverse (1210041154), we get a palindrome (5721441275).

The spelling of 4511400121 in words is "four billion, five hundred eleven million, four hundred thousand, one hundred twenty-one".