109048279178 has 8 divisors (see below), whose sum is σ = 163577163972. Its totient is φ = 54522557856.

The previous prime is 109048279177. The next prime is 109048279189. The reversal of 109048279178 is 871972840901.

It can be written as a sum of positive squares in 2 ways, for example, as 107070965089 + 1977314089 = 327217^2 + 44467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (109048279177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702725 + ... + 843752.

Almost surely, 2^109048279178 is an apocalyptic number.

109048279178 is a deficient number, since it is larger than the sum of its proper divisors (54528884794).

109048279178 is a wasteful number, since it uses less digits than its factorization.

109048279178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581736.

The product of its (nonzero) digits is 2032128, while the sum is 56.

The spelling of 109048279178 in words is "one hundred nine billion, forty-eight million, two hundred seventy-nine thousand, one hundred seventy-eight".