1040881612881 has 16 divisors (see below), whose sum is σ = 1528708746240. Its totient is φ = 624712704720.

The previous prime is 1040881612879. The next prime is 1040881612937. The reversal of 1040881612881 is 1882161880401.

It is not a de Polignac number, because 1040881612881 - 2¹ = 1040881612879 is a prime.

It is a super-2 number, since 2×1040881612881² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1040881612881.

It is not an unprimeable number, because it can be changed into a prime (1040881612811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153112461 + ... + 153119258.

It is an arithmetic number, because the mean of its divisors is an integer number (95544296640).

Almost surely, 2^{1040881612881} is an apocalyptic number.

1040881612881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1040881612881 is a deficient number, since it is larger than the sum of its proper divisors (487827133359).

1040881612881 is a wasteful number, since it uses less digits than its factorization.

1040881612881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306231836.

The product of its (nonzero) digits is 196608, while the sum is 48.

The spelling of 1040881612881 in words is "one trillion, forty billion, eight hundred eighty-one million, six hundred twelve thousand, eight hundred eighty-one".