10399553273128 has 128 divisors (see below), whose sum is σ = 21946601376000. Its totient is φ = 4595666042880.

The previous prime is 10399553273063. The next prime is 10399553273129. The reversal of 10399553273128 is 82137235599301.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10399553273129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 621639868 + ... + 621656596.

It is an arithmetic number, because the mean of its divisors is an integer number (171457823250).

Almost surely, 2^{10399553273128} is an apocalyptic number.

It is an amenable number.

10399553273128 is an abundant number, since it is smaller than the sum of its proper divisors (11547048102872).

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

10399553273128 is a wasteful number, since it uses less digits than its factorization.

10399553273128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21155 (or 21151 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 58.

The spelling of 10399553273128 in words is "ten trillion, three hundred ninety-nine billion, five hundred fifty-three million, two hundred seventy-three thousand, one hundred twenty-eight".