1029961881024 has 56 divisors (see below), whose sum is σ = 2725190465280. Its totient is φ = 343310171904.

The previous prime is 1029961881023. The next prime is 1029961881029. The reversal of 1029961881024 is 4201881699201.

1029961881024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029961881023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8681497 + ... + 8799335.

Almost surely, 2^{1029961881024} is an apocalyptic number.

It is an amenable number.

1029961881024 is an abundant number, since it is smaller than the sum of its proper divisors (1695228584256).

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

1029961881024 is a wasteful number, since it uses less digits than its factorization.

1029961881024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163377 (or 163367 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 51.

The spelling of 1029961881024 in words is "one trillion, twenty-nine billion, nine hundred sixty-one million, eight hundred eighty-one thousand, twenty-four".