128611005706210 has 32 divisors (see below), whose sum is σ = 232216234980480. Its totient is φ = 51285359841408.

The previous prime is 128611005706163. The next prime is 128611005706273. The reversal of 128611005706210 is 12607500116821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3878772 + ... + 16500511.

It is an arithmetic number, because the mean of its divisors is an integer number (7256757343140).

Almost surely, 2^{128611005706210} is an apocalyptic number.

128611005706210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128611005706210 is a deficient number, since it is larger than the sum of its proper divisors (103605229274270).

128611005706210 is a wasteful number, since it uses less digits than its factorization.

128611005706210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20381242.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 128611005706210 in words is "one hundred twenty-eight trillion, six hundred eleven billion, five million, seven hundred six thousand, two hundred ten".