105366356554 has 4 divisors (see below), whose sum is σ = 158049534834. Its totient is φ = 52683178276.

The previous prime is 105366356533. The next prime is 105366356567. The reversal of 105366356554 is 455653663501.

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., 57012545529 + 48353811025 = 238773^2 + 219895^2 .

It is a super-2 number, since 2×105366356554² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105366356498 and 105366356507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26341589137 + ... + 26341589140.

Almost surely, 2^105366356554 is an apocalyptic number.

105366356554 is a deficient number, since it is larger than the sum of its proper divisors (52683178280).

105366356554 is an equidigital number, since it uses as much as digits as its factorization.

105366356554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52683178279.

The product of its (nonzero) digits is 4860000, while the sum is 49.

The spelling of 105366356554 in words is "one hundred five billion, three hundred sixty-six million, three hundred fifty-six thousand, five hundred fifty-four".