3745366845505 has 8 divisors (see below), whose sum is σ = 4544939543400. Its totient is φ = 2962627257216.

The previous prime is 3745366845443. The next prime is 3745366845551. The reversal of 3745366845505 is 5055486635473.

It can be written as a sum of positive squares in 4 ways, for example, as 22967705601 + 3722399139904 = 151551^2 + 1929352^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3745366845505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4208276910 + ... + 4208277799.

It is an arithmetic number, because the mean of its divisors is an integer number (568117442925).

Almost surely, 2^{3745366845505} is an apocalyptic number.

It is an amenable number.

3745366845505 is a deficient number, since it is larger than the sum of its proper divisors (799572697895).

3745366845505 is an equidigital number, since it uses as much as digits as its factorization.

3745366845505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8416554803.

The product of its (nonzero) digits is 181440000, while the sum is 61.

The spelling of 3745366845505 in words is "three trillion, seven hundred forty-five billion, three hundred sixty-six million, eight hundred forty-five thousand, five hundred five".