15485513401 has 4 divisors (see below), whose sum is σ = 16396425972. Its totient is φ = 14574600832.

The previous prime is 15485513357. The next prime is 15485513429. The reversal of 15485513401 is 10431558451.

15485513401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12398599801 + 3086913600 = 111349^2 + 55560^2 .

It is a cyclic number.

It is not a de Polignac number, because 15485513401 - 2⁷ = 15485513273 is a prime.

It is a super-2 number, since 2×15485513401² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15485513471) 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 3 ways as a sum of consecutive naturals, for example, 455456260 + ... + 455456293.

It is an arithmetic number, because the mean of its divisors is an integer number (4099106493).

Almost surely, 2^15485513401 is an apocalyptic number.

It is an amenable number.

15485513401 is a deficient number, since it is larger than the sum of its proper divisors (910912571).

15485513401 is an equidigital number, since it uses as much as digits as its factorization.

15485513401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910912570.

The product of its (nonzero) digits is 48000, while the sum is 37.

The spelling of 15485513401 in words is "fifteen billion, four hundred eighty-five million, five hundred thirteen thousand, four hundred one".