88142720511 has 16 divisors (see below), whose sum is σ = 117685612800. Its totient is φ = 58680882240.

The previous prime is 88142720489. The next prime is 88142720527. The reversal of 88142720511 is 11502724188.

It is not a de Polignac number, because 88142720511 - 2⁶ = 88142720447 is a prime.

It is a super-2 number, since 2×88142720511² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 88142720511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88142720111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7216936 + ... + 7229138.

It is an arithmetic number, because the mean of its divisors is an integer number (7355350800).

Almost surely, 2^88142720511 is an apocalyptic number.

88142720511 is a deficient number, since it is larger than the sum of its proper divisors (29542892289).

88142720511 is a wasteful number, since it uses less digits than its factorization.

88142720511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15326.

The product of its (nonzero) digits is 35840, while the sum is 39.

The spelling of 88142720511 in words is "eighty-eight billion, one hundred forty-two million, seven hundred twenty thousand, five hundred eleven".