109881887530 has 16 divisors (see below), whose sum is σ = 198651102120. Its totient is φ = 43760820672.

The previous prime is 109881887509. The next prime is 109881887569. The reversal of 109881887530 is 35788188901.

It can be written as a sum of positive squares in 4 ways, for example, as 108526101489 + 1355786041 = 329433^2 + 36821^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23989389 + ... + 23993968.

Almost surely, 2^109881887530 is an apocalyptic number.

109881887530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109881887530 is a deficient number, since it is larger than the sum of its proper divisors (88769214590).

109881887530 is a wasteful number, since it uses less digits than its factorization.

109881887530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47983593.

The product of its (nonzero) digits is 3870720, while the sum is 58.

The spelling of 109881887530 in words is "one hundred nine billion, eight hundred eighty-one million, eight hundred eighty-seven thousand, five hundred thirty".