1101266881008 has 80 divisors (see below), whose sum is σ = 3254688234240. Its totient is φ = 314325531648.

The previous prime is 1101266881003. The next prime is 1101266881021. The reversal of 1101266881008 is 8001886621011.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101266881003) 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, 1349098 + ... + 2005641.

It is an arithmetic number, because the mean of its divisors is an integer number (40683602928).

Almost surely, 2^{1101266881008} is an apocalyptic number.

It is an amenable number.

1101266881008 is an abundant number, since it is smaller than the sum of its proper divisors (2153421353232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101266881008 is a wasteful number, since it uses less digits than its factorization.

1101266881008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355734 (or 3355728 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 42.

The spelling of 1101266881008 in words is "one trillion, one hundred one billion, two hundred sixty-six million, eight hundred eighty-one thousand, eight".