109749525276 has 96 divisors (see below), whose sum is σ = 286198133760. Its totient is φ = 32529752064.

The previous prime is 109749525269. The next prime is 109749525287. The reversal of 109749525276 is 672525947901.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1383916 + ... + 1461068.

It is an arithmetic number, because the mean of its divisors is an integer number (2981230560).

Almost surely, 2^109749525276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109749525276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143099066880).

109749525276 is an abundant number, since it is smaller than the sum of its proper divisors (176448608484).

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

109749525276 is a wasteful number, since it uses less digits than its factorization.

109749525276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77563 (or 77561 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 109749525276 in words is "one hundred nine billion, seven hundred forty-nine million, five hundred twenty-five thousand, two hundred seventy-six".