161011302047715 has 16 divisors (see below), whose sum is σ = 294420666601728. Its totient is φ = 73605166650336.

The previous prime is 161011302047689. The next prime is 161011302047753. The reversal of 161011302047715 is 517740203110161.

It is a happy number.

It is not a de Polignac number, because 161011302047715 - 2¹¹ = 161011302045667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766720485837 + ... + 766720486046.

It is an arithmetic number, because the mean of its divisors is an integer number (18401291662608).

Almost surely, 2^{161011302047715} is an apocalyptic number.

161011302047715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161011302047715 is a deficient number, since it is larger than the sum of its proper divisors (133409364554013).

161011302047715 is a wasteful number, since it uses less digits than its factorization.

161011302047715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533440971898.

The product of its (nonzero) digits is 35280, while the sum is 39.

Adding to 161011302047715 its reverse (517740203110161), we get a palindrome (678751505157876).

The spelling of 161011302047715 in words is "one hundred sixty-one trillion, eleven billion, three hundred two million, forty-seven thousand, seven hundred fifteen".