88201511 has 4 divisors (see below), whose sum is σ = 88243752. Its totient is φ = 88159272.

The previous prime is 88201493. The next prime is 88201513. The reversal of 88201511 is 11510288.

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 88201511 - 2²² = 84007207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88201513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17816 + ... + 22221.

It is an arithmetic number, because the mean of its divisors is an integer number (22060938).

Almost surely, 2^88201511 is an apocalyptic number.

88201511 is a deficient number, since it is larger than the sum of its proper divisors (42241).

88201511 is a wasteful number, since it uses less digits than its factorization.

88201511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42240.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 88201511 is about 9391.5659503621. The cubic root of 88201511 is about 445.1352717571.

Adding to 88201511 its reverse (11510288), we get a palindrome (99711799).

The spelling of 88201511 in words is "eighty-eight million, two hundred one thousand, five hundred eleven".