109157905530 has 32 divisors (see below), whose sum is σ = 291087748800. Its totient is φ = 29108774736.

The previous prime is 109157905517. The next prime is 109157905583. The reversal of 109157905530 is 35509751901.

109157905530 is a `hidden beast` number, since 1 + 0 + 9 + 1 + 5 + 7 + 90 + 553 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202144000 + ... + 202144539.

It is an arithmetic number, because the mean of its divisors is an integer number (9096492150).

Almost surely, 2^109157905530 is an apocalyptic number.

109157905530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109157905530 is an abundant number, since it is smaller than the sum of its proper divisors (181929843270).

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

109157905530 is a wasteful number, since it uses less digits than its factorization.

109157905530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404288555 (or 404288549 counting only the distinct ones).

The product of its (nonzero) digits is 212625, while the sum is 45.

The spelling of 109157905530 in words is "one hundred nine billion, one hundred fifty-seven million, nine hundred five thousand, five hundred thirty".