1123881864008 has 16 divisors (see below), whose sum is σ = 2128142640060. Its totient is φ = 556377160000.

The previous prime is 1123881863959. The next prime is 1123881864013. The reversal of 1123881864008 is 8004681883211.

It can be written as a sum of positive squares in 2 ways, for example, as 973059927844 + 150821936164 = 986438^2 + 388358^2 .

It is a super-2 number, since 2×1123881864008² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695470643 + ... + 695472258.

Almost surely, 2^{1123881864008} is an apocalyptic number.

It is an amenable number.

1123881864008 is a deficient number, since it is larger than the sum of its proper divisors (1004260776052).

1123881864008 is a wasteful number, since it uses less digits than its factorization.

1123881864008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390943008 (or 1390943004 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 50.

The spelling of 1123881864008 in words is "one trillion, one hundred twenty-three billion, eight hundred eighty-one million, eight hundred sixty-four thousand, eight".