88355511555388 has 144 divisors (see below), whose sum is σ = 203131406953440. Its totient is φ = 33213083097600.

The previous prime is 88355511555347. The next prime is 88355511555439.

88355511555388 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85834006 + ... + 86857282.

It is an arithmetic number, because the mean of its divisors is an integer number (1410634770510).

Almost surely, 2^{88355511555388} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88355511555388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101565703476720).

88355511555388 is an abundant number, since it is smaller than the sum of its proper divisors (114775895398052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88355511555388 is a wasteful number, since it uses less digits than its factorization.

88355511555388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024716 (or 1024707 counting only the distinct ones).

The product of its digits is 576000000, while the sum is 70.

The spelling of 88355511555388 in words is "eighty-eight trillion, three hundred fifty-five billion, five hundred eleven million, five hundred fifty-five thousand, three hundred eighty-eight".