88201989515 has 4 divisors (see below), whose sum is σ = 105842387424. Its totient is φ = 70561591608.

The previous prime is 88201989503. The next prime is 88201989527. The reversal of 88201989515 is 51598910288.

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

It is an interprime number because it is at equal distance from previous prime (88201989503) and next prime (88201989527).

It is a cyclic number.

It is not a de Polignac number, because 88201989515 - 2¹⁸ = 88201727371 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8820198947 + ... + 8820198956.

It is an arithmetic number, because the mean of its divisors is an integer number (26460596856).

Almost surely, 2^88201989515 is an apocalyptic number.

88201989515 is a deficient number, since it is larger than the sum of its proper divisors (17640397909).

88201989515 is a wasteful number, since it uses less digits than its factorization.

88201989515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17640397908.

The product of its (nonzero) digits is 2073600, while the sum is 56.

The spelling of 88201989515 in words is "eighty-eight billion, two hundred one million, nine hundred eighty-nine thousand, five hundred fifteen".