1145599886929 has 9 divisors (see below), whose sum is σ = 1209089487963. Its totient is φ = 1085285890152.

The previous prime is 1145599886927. The next prime is 1145599886993. The reversal of 1145599886929 is 9296889955411.

The square root of 1145599886929 is 1070327.

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., 17866332225 + 1127733554704 = 133665^2 + 1061948^2 .

It is not a de Polignac number, because 1145599886929 - 2¹ = 1145599886927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145599886923) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 20308047 + ... + 20364379.

Almost surely, 2^{1145599886929} is an apocalyptic number.

1145599886929 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1145599886929 is the 1070327-th square number.

1145599886929 is the 535164-th centered octagonal number.

It is an amenable number.

1145599886929 is a deficient number, since it is larger than the sum of its proper divisors (63489601034).

1145599886929 is an frugal number, since it uses more digits than its factorization.

1145599886929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112704 (or 56352 counting only the distinct ones).

The product of its digits is 503884800, while the sum is 76.

The spelling of 1145599886929 in words is "one trillion, one hundred forty-five billion, five hundred ninety-nine million, eight hundred eighty-six thousand, nine hundred twenty-nine".