2115580855112 has 8 divisors (see below), whose sum is σ = 3966714103350. Its totient is φ = 1057790427552.

The previous prime is 2115580855081. The next prime is 2115580855117.

2115580855112 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 1925228400676 + 190352454436 = 1387526^2 + 436294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2115580855112² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2115580855117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132223803437 + ... + 132223803452.

Almost surely, 2^{2115580855112} is an apocalyptic number.

It is an amenable number.

2115580855112 is a deficient number, since it is larger than the sum of its proper divisors (1851133248238).

2115580855112 is a wasteful number, since it uses less digits than its factorization.

2115580855112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264447606895 (or 264447606891 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 44.

The spelling of 2115580855112 in words is "two trillion, one hundred fifteen billion, five hundred eighty million, eight hundred fifty-five thousand, one hundred twelve".