128761611292095 has 32 divisors (see below), whose sum is σ = 212262643710912. Its totient is φ = 66603363720192.

The previous prime is 128761611292063. The next prime is 128761611292151. The reversal of 128761611292095 is 590292116167821.

It is not a de Polignac number, because 128761611292095 - 2⁵ = 128761611292063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370437952 + ... + 370785381.

It is an arithmetic number, because the mean of its divisors is an integer number (6633207615966).

Almost surely, 2^{128761611292095} is an apocalyptic number.

128761611292095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128761611292095 is a deficient number, since it is larger than the sum of its proper divisors (83501032418817).

128761611292095 is a wasteful number, since it uses less digits than its factorization.

128761611292095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741223691.

The product of its (nonzero) digits is 6531840, while the sum is 60.

The spelling of 128761611292095 in words is "one hundred twenty-eight trillion, seven hundred sixty-one billion, six hundred eleven million, two hundred ninety-two thousand, ninety-five".