1102253042632 has 128 divisors (see below), whose sum is σ = 2522741760000. Its totient is φ = 441473034240.

The previous prime is 1102253042621. The next prime is 1102253042651. The reversal of 1102253042632 is 2362403522011.

It is a junction number, because it is equal to n+sod(n) for n = 1102253042594 and 1102253042603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8390994 + ... + 8521342.

It is an arithmetic number, because the mean of its divisors is an integer number (19708920000).

Almost surely, 2^{1102253042632} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102253042632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261370880000).

1102253042632 is an abundant number, since it is smaller than the sum of its proper divisors (1420488717368).

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

1102253042632 is a wasteful number, since it uses less digits than its factorization.

1102253042632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130559 (or 130555 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1102253042632 its reverse (2362403522011), we get a palindrome (3464656564643).

The spelling of 1102253042632 in words is "one trillion, one hundred two billion, two hundred fifty-three million, forty-two thousand, six hundred thirty-two".