1018455478211 has 32 divisors (see below), whose sum is σ = 1055753856000. Its totient is φ = 982038816000.

The previous prime is 1018455478207. The next prime is 1018455478217. The reversal of 1018455478211 is 1128745548101.

It is a cyclic number.

It is not a de Polignac number, because 1018455478211 - 2² = 1018455478207 is a prime.

It is a super-2 number, since 2×1018455478211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1018455478217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657491465 + ... + 657493013.

It is an arithmetic number, because the mean of its divisors is an integer number (32992308000).

Almost surely, 2^{1018455478211} is an apocalyptic number.

1018455478211 is a deficient number, since it is larger than the sum of its proper divisors (37298377789).

1018455478211 is a wasteful number, since it uses less digits than its factorization.

1018455478211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619.

The product of its (nonzero) digits is 358400, while the sum is 47.

The spelling of 1018455478211 in words is "one trillion, eighteen billion, four hundred fifty-five million, four hundred seventy-eight thousand, two hundred eleven".