1123155026667 has 16 divisors (see below), whose sum is σ = 1699336212480. Its totient is φ = 732838739976.

The previous prime is 1123155026629. The next prime is 1123155026671. The reversal of 1123155026667 is 7666205513211.

It is not a de Polignac number, because 1123155026667 - 2¹⁴ = 1123155010283 is a prime.

It is a super-2 number, since 2×1123155026667² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123155026167) 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, 442534203 + ... + 442536740.

It is an arithmetic number, because the mean of its divisors is an integer number (106208513280).

Almost surely, 2^{1123155026667} is an apocalyptic number.

1123155026667 is a deficient number, since it is larger than the sum of its proper divisors (576181185813).

1123155026667 is an equidigital number, since it uses as much as digits as its factorization.

1123155026667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885070999 (or 885070993 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 1123155026667 in words is "one trillion, one hundred twenty-three billion, one hundred fifty-five million, twenty-six thousand, six hundred sixty-seven".