7155108128 has 24 divisors (see below), whose sum is σ = 16098993792. Its totient is φ = 3066474816.

The previous prime is 7155108113. The next prime is 7155108139. The reversal of 7155108128 is 8218015517.

It is a junction number, because it is equal to n+sod(n) for n = 7155108091 and 7155108100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15971000 + ... + 15971447.

It is an arithmetic number, because the mean of its divisors is an integer number (670791408).

Almost surely, 2^7155108128 is an apocalyptic number.

It is an amenable number.

7155108128 is an abundant number, since it is smaller than the sum of its proper divisors (8943885664).

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

7155108128 is a wasteful number, since it uses less digits than its factorization.

7155108128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31942464 (or 31942456 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 38.

The square root of 7155108128 is about 84587.8722276427. The cubic root of 7155108128 is about 1926.9571933438.

The spelling of 7155108128 in words is "seven billion, one hundred fifty-five million, one hundred eight thousand, one hundred twenty-eight".