109819627124 has 12 divisors (see below), whose sum is σ = 192186951684. Its totient is φ = 54909069504.

The previous prime is 109819627111. The next prime is 109819627133. The reversal of 109819627124 is 421726918901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43960670224 + 65858956900 = 209668^2 + 256630^2 .

It is a super-2 number, since 2×109819627124² (a number of 23 digits) contains 22 as substring.

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, 270632 + ... + 541184.

It is an arithmetic number, because the mean of its divisors is an integer number (16015579307).

Almost surely, 2^109819627124 is an apocalyptic number.

It is an amenable number.

109819627124 is a deficient number, since it is larger than the sum of its proper divisors (82367324560).

109819627124 is a wasteful number, since it uses less digits than its factorization.

109819627124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372034 (or 372032 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 109819627124 in words is "one hundred nine billion, eight hundred nineteen million, six hundred twenty-seven thousand, one hundred twenty-four".