10078128550 has 24 divisors (see below), whose sum is σ = 21423222576. Its totient is φ = 3455358240.

The previous prime is 10078128521. The next prime is 10078128559. The reversal of 10078128550 is 5582187001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10078128559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14396977 + ... + 14397676.

It is an arithmetic number, because the mean of its divisors is an integer number (892634274).

Almost surely, 2^10078128550 is an apocalyptic number.

10078128550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10078128550 is an abundant number, since it is smaller than the sum of its proper divisors (11345094026).

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

10078128550 is a wasteful number, since it uses less digits than its factorization.

10078128550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28794672 (or 28794667 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 37.

The spelling of 10078128550 in words is "ten billion, seventy-eight million, one hundred twenty-eight thousand, five hundred fifty".