117001905428 has 12 divisors (see below), whose sum is σ = 205077829152. Its totient is φ = 58408239960.

The previous prime is 117001905409. The next prime is 117001905469. The reversal of 117001905428 is 824509100711.

It is a junction number, because it is equal to n+sod(n) for n = 117001905391 and 117001905400.

It is a congruent number.

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, 23175350 + ... + 23180397.

It is an arithmetic number, because the mean of its divisors is an integer number (17089819096).

Almost surely, 2^117001905428 is an apocalyptic number.

It is an amenable number.

117001905428 is a deficient number, since it is larger than the sum of its proper divisors (88075923724).

117001905428 is a wasteful number, since it uses less digits than its factorization.

117001905428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46356382 (or 46356380 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 38.

The spelling of 117001905428 in words is "one hundred seventeen billion, one million, nine hundred five thousand, four hundred twenty-eight".