1150720655671 has 16 divisors (see below), whose sum is σ = 1179054620800. Its totient is φ = 1122765815808.

The previous prime is 1150720655647. The next prime is 1150720655699. The reversal of 1150720655671 is 1765560270511.

It is a cyclic number.

It is not a de Polignac number, because 1150720655671 - 2¹⁵ = 1150720622903 is a prime.

It is a super-2 number, since 2×1150720655671² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150720655611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5045635 + ... + 5268763.

It is an arithmetic number, because the mean of its divisors is an integer number (73690913800).

Almost surely, 2^{1150720655671} is an apocalyptic number.

1150720655671 is a deficient number, since it is larger than the sum of its proper divisors (28333965129).

1150720655671 is an equidigital number, since it uses as much as digits as its factorization.

1150720655671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223978.

The product of its (nonzero) digits is 441000, while the sum is 46.

The spelling of 1150720655671 in words is "one trillion, one hundred fifty billion, seven hundred twenty million, six hundred fifty-five thousand, six hundred seventy-one".