1115011115161 has 8 divisors (see below), whose sum is σ = 1124307626400. Its totient is φ = 1105732816320.

The previous prime is 1115011115123. The next prime is 1115011115209. The reversal of 1115011115161 is 1615111105111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1115011115161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115011125161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4430131 + ... + 4675048.

It is an arithmetic number, because the mean of its divisors is an integer number (140538453300).

Almost surely, 2^{1115011115161} is an apocalyptic number.

It is an amenable number.

1115011115161 is a deficient number, since it is larger than the sum of its proper divisors (9296511239).

1115011115161 is an equidigital number, since it uses as much as digits as its factorization.

1115011115161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9106199.

The product of its (nonzero) digits is 150, while the sum is 25.

The spelling of 1115011115161 in words is "one trillion, one hundred fifteen billion, eleven million, one hundred fifteen thousand, one hundred sixty-one".