9161053278051 has 8 divisors (see below), whose sum is σ = 12251640236224. Its totient is φ = 6088917585960.

The previous prime is 9161053278037. The next prime is 9161053278053. The reversal of 9161053278051 is 1508723501619.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9161053278051 - 2⁹ = 9161053277539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9161053278053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4612815361 + ... + 4612817346.

It is an arithmetic number, because the mean of its divisors is an integer number (1531455029528).

Almost surely, 2^{9161053278051} is an apocalyptic number.

9161053278051 is a deficient number, since it is larger than the sum of its proper divisors (3090586958173).

9161053278051 is a wasteful number, since it uses less digits than its factorization.

9161053278051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9225633041.

The product of its (nonzero) digits is 453600, while the sum is 48.

The spelling of 9161053278051 in words is "nine trillion, one hundred sixty-one billion, fifty-three million, two hundred seventy-eight thousand, fifty-one".