1101288632929 has 9 divisors (see below), whose sum is σ = 1140605121747. Its totient is φ = 1063283778984.

The previous prime is 1101288632909. The next prime is 1101288632959. The reversal of 1101288632929 is 9292368821011.

The square root of 1101288632929 is 1049423.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 577489045329 + 523799587600 = 759927^2 + 723740^2 .

It is not a de Polignac number, because 1101288632929 - 2⁵ = 1101288632897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101288632909) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30415174 + ... + 30451360.

Almost surely, 2^{1101288632929} is an apocalyptic number.

1101288632929 is the 1049423-rd square number.

1101288632929 is the 524712-nd centered octagonal number.

It is an amenable number.

1101288632929 is a deficient number, since it is larger than the sum of its proper divisors (39316488818).

1101288632929 is an frugal number, since it uses more digits than its factorization.

1101288632929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72432 (or 36216 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 1101288632929 in words is "one trillion, one hundred one billion, two hundred eighty-eight million, six hundred thirty-two thousand, nine hundred twenty-nine".