105104442345554 has 4 divisors (see below), whose sum is σ = 157656663518334. Its totient is φ = 52552221172776.

The previous prime is 105104442345493. The next prime is 105104442345569. The reversal of 105104442345554 is 455543244401501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 104550154650529 + 554287695025 = 10224977^2 + 744505^2 .

It is a super-2 number, since 2×105104442345554² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105104442345499 and 105104442345508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26276110586387 + ... + 26276110586390.

Almost surely, 2^{105104442345554} is an apocalyptic number.

105104442345554 is a deficient number, since it is larger than the sum of its proper divisors (52552221172780).

105104442345554 is an equidigital number, since it uses as much as digits as its factorization.

105104442345554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52552221172779.

The product of its (nonzero) digits is 3840000, while the sum is 47.

The spelling of 105104442345554 in words is "one hundred five trillion, one hundred four billion, four hundred forty-two million, three hundred forty-five thousand, five hundred fifty-four".