1113504021529 has 9 divisors (see below), whose sum is σ = 1117089557311. Its totient is φ = 1109929967680.

The previous prime is 1113504021473. The next prime is 1113504021551. The reversal of 1113504021529 is 9251204053111.

The square root of 1113504021529 is 1055227.

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., 1090192839129 + 23311182400 = 1044123^2 + 152680^2 .

It is not a de Polignac number, because 1113504021529 - 2³³ = 1104914086937 is a prime.

It is a super-2 number, since 2×1113504021529² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113504021494 and 1113504021503.

It is not an unprimeable number, because it can be changed into a prime (1113504031529) 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, 366162249 + ... + 366165289.

Almost surely, 2^{1113504021529} is an apocalyptic number.

1113504021529 is the 1055227-th square number.

1113504021529 is the 527614-th centered octagonal number.

It is an amenable number.

1113504021529 is a deficient number, since it is larger than the sum of its proper divisors (3585535782).

1113504021529 is an frugal number, since it uses more digits than its factorization.

1113504021529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776 (or 3388 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 1113504021529 in words is "one trillion, one hundred thirteen billion, five hundred four million, twenty-one thousand, five hundred twenty-nine".