11115155051165 has 16 divisors (see below), whose sum is σ = 14551218824256. Its totient is φ = 8083487798400.

The previous prime is 11115155051141. The next prime is 11115155051177. The reversal of 11115155051165 is 56115055151111.

It is not a de Polignac number, because 11115155051165 - 2¹² = 11115155047069 is a prime.

It is a super-2 number, since 2×11115155051165² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 1541627 + ... + 4960536.

It is an arithmetic number, because the mean of its divisors is an integer number (909451176516).

Almost surely, 2^{11115155051165} is an apocalyptic number.

It is an amenable number.

11115155051165 is a deficient number, since it is larger than the sum of its proper divisors (3436063773091).

11115155051165 is a wasteful number, since it uses less digits than its factorization.

11115155051165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6533260.

The product of its (nonzero) digits is 18750, while the sum is 38.

The spelling of 11115155051165 in words is "eleven trillion, one hundred fifteen billion, one hundred fifty-five million, fifty-one thousand, one hundred sixty-five".