17120749530 has 32 divisors (see below), whose sum is σ = 41865081984. Its totient is φ = 4479390656.

The previous prime is 17120749493. The next prime is 17120749559. The reversal of 17120749530 is 3594702171.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5382294 + ... + 5385473.

It is an arithmetic number, because the mean of its divisors is an integer number (1308283812).

Almost surely, 2^17120749530 is an apocalyptic number.

17120749530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17120749530 is an abundant number, since it is smaller than the sum of its proper divisors (24744332454).

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

17120749530 is a wasteful number, since it uses less digits than its factorization.

17120749530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10767830.

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 17120749530 in words is "seventeen billion, one hundred twenty million, seven hundred forty-nine thousand, five hundred thirty".