11508354729 has 9 divisors (see below), whose sum is σ = 16623643933. Its totient is φ = 7672021932.

The previous prime is 11508354691. The next prime is 11508354743. The reversal of 11508354729 is 92745380511.

The square root of 11508354729 is 107277.

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

11508354729 is a `hidden beast` number, since 1 + 1 + 5 + 0 + 83 + 547 + 29 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 11508354729 - 2¹⁵ = 11508321961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11508354749) 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, 303952 + ... + 339710.

Almost surely, 2^11508354729 is an apocalyptic number.

11508354729 is the 107277-th square number.

11508354729 is the 53639-th centered octagonal number.

It is an amenable number.

11508354729 is a deficient number, since it is larger than the sum of its proper divisors (5115289204).

11508354729 is an frugal number, since it uses more digits than its factorization.

11508354729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71524 (or 35762 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 11508354729 in words is "eleven billion, five hundred eight million, three hundred fifty-four thousand, seven hundred twenty-nine".