105355661546 has 4 divisors (see below), whose sum is σ = 158033492322. Its totient is φ = 52677830772.

The previous prime is 105355661513. The next prime is 105355661639. The reversal of 105355661546 is 645166553501.

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., 86119358521 + 19236303025 = 293461^2 + 138695^2 .

It is a super-2 number, since 2×105355661546² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105355661546.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26338915385 + ... + 26338915388.

Almost surely, 2^105355661546 is an apocalyptic number.

105355661546 is a deficient number, since it is larger than the sum of its proper divisors (52677830776).

105355661546 is an equidigital number, since it uses as much as digits as its factorization.

105355661546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52677830775.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 105355661546 in words is "one hundred five billion, three hundred fifty-five million, six hundred sixty-one thousand, five hundred forty-six".