1153973505 has 16 divisors (see below), whose sum is σ = 1881195840. Its totient is φ = 603839808.

The previous prime is 1153973407. The next prime is 1153973519. The reversal of 1153973505 is 5053793511.

It is not a de Polignac number, because 1153973505 - 2¹¹ = 1153971457 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724975 + ... + 726564.

It is an arithmetic number, because the mean of its divisors is an integer number (117574740).

Almost surely, 2^1153973505 is an apocalyptic number.

1153973505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153973505 is a deficient number, since it is larger than the sum of its proper divisors (727222335).

1153973505 is a wasteful number, since it uses less digits than its factorization.

1153973505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451600.

The product of its (nonzero) digits is 70875, while the sum is 39.

The square root of 1153973505 is about 33970.1855308445. The cubic root of 1153973505 is about 1048.8948326397.

The spelling of 1153973505 in words is "one billion, one hundred fifty-three million, nine hundred seventy-three thousand, five hundred five".