128101624011 has 24 divisors (see below), whose sum is σ = 193788779184. Its totient is φ = 84555511200.

The previous prime is 128101623997. The next prime is 128101624037. The reversal of 128101624011 is 110426101821.

It is a happy number.

128101624011 is a `hidden beast` number, since 1 + 28 + 1 + 0 + 1 + 624 + 0 + 11 = 666.

It is not a de Polignac number, because 128101624011 - 2⁹ = 128101623499 is a prime.

It is a super-2 number, since 2×128101624011² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (128101624081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2585196 + ... + 2634281.

It is an arithmetic number, because the mean of its divisors is an integer number (8074532466).

Almost surely, 2^128101624011 is an apocalyptic number.

128101624011 is a deficient number, since it is larger than the sum of its proper divisors (65687155173).

128101624011 is an equidigital number, since it uses as much as digits as its factorization.

128101624011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219593 (or 5219581 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

Adding to 128101624011 its reverse (110426101821), we get a palindrome (238527725832).

The spelling of 128101624011 in words is "one hundred twenty-eight billion, one hundred one million, six hundred twenty-four thousand, eleven".