1123881864007 has 32 divisors (see below), whose sum is σ = 1361229004800. Its totient is φ = 906431002848.

The previous prime is 1123881863959. The next prime is 1123881864013. The reversal of 1123881864007 is 7004681883211.

It is not a de Polignac number, because 1123881864007 - 2¹⁹ = 1123881339719 is a prime.

It is a super-2 number, since 2×1123881864007² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123881864037) 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, 28476994 + ... + 28516432.

It is an arithmetic number, because the mean of its divisors is an integer number (42538406400).

Almost surely, 2^{1123881864007} is an apocalyptic number.

1123881864007 is a deficient number, since it is larger than the sum of its proper divisors (237347140793).

1123881864007 is a wasteful number, since it uses less digits than its factorization.

1123881864007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40915.

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 1123881864007 in words is "one trillion, one hundred twenty-three billion, eight hundred eighty-one million, eight hundred sixty-four thousand, seven".