15485181801 has 16 divisors (see below), whose sum is σ = 21642371520. Its totient is φ = 9837434880.

The previous prime is 15485181797. The next prime is 15485181841. The reversal of 15485181801 is 10818158451.

It is a happy number.

It is not a de Polignac number, because 15485181801 - 2² = 15485181797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15485181841) 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, 1458616 + ... + 1469193.

It is an arithmetic number, because the mean of its divisors is an integer number (1352648220).

Almost surely, 2^15485181801 is an apocalyptic number.

It is an amenable number.

15485181801 is a deficient number, since it is larger than the sum of its proper divisors (6157189719).

15485181801 is a wasteful number, since it uses less digits than its factorization.

15485181801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927896.

The product of its (nonzero) digits is 51200, while the sum is 42.

The spelling of 15485181801 in words is "fifteen billion, four hundred eighty-five million, one hundred eighty-one thousand, eight hundred one".