88505011 has 4 divisors (see below), whose sum is σ = 101148592. Its totient is φ = 75861432.

The previous prime is 88505003. The next prime is 88505017. The reversal of 88505011 is 11050588.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88505011 - 2³ = 88505003 is a prime.

It is a super-3 number, since 3×88505011³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88505017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6321780 + ... + 6321793.

It is an arithmetic number, because the mean of its divisors is an integer number (25287148).

Almost surely, 2^88505011 is an apocalyptic number.

88505011 is a deficient number, since it is larger than the sum of its proper divisors (12643581).

88505011 is a wasteful number, since it uses less digits than its factorization.

88505011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12643580.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 88505011 is about 9407.7101889886. The cubic root of 88505011 is about 445.6452550581.

Adding to 88505011 its reverse (11050588), we get a palindrome (99555599).

It can be divided in two parts, 8850 and 5011, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 88505011 in words is "eighty-eight million, five hundred five thousand, eleven".