5401155401 has 6 divisors (see below), whose sum is σ = 5551079310. Its totient is φ = 5255176896.

The previous prime is 5401155379. The next prime is 5401155407. The reversal of 5401155401 is 1045511045.

It can be written as a sum of positive squares in 3 ways, for example, as 1753599376 + 3647556025 = 41876^2 + 60395^2 .

It is not a de Polignac number, because 5401155401 - 2¹⁸ = 5400893257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5401155407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1971296 + ... + 1974033.

It is an arithmetic number, because the mean of its divisors is an integer number (925179885).

Almost surely, 2^5401155401 is an apocalyptic number.

It is an amenable number.

5401155401 is a deficient number, since it is larger than the sum of its proper divisors (149923909).

5401155401 is an equidigital number, since it uses as much as digits as its factorization.

5401155401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945403 (or 3945366 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 5401155401 is about 73492.5533710729. The cubic root of 5401155401 is about 1754.5357604127.

Adding to 5401155401 its reverse (1045511045), we get a palindrome (6446666446).

The spelling of 5401155401 in words is "five billion, four hundred one million, one hundred fifty-five thousand, four hundred one".