1545215200641 has 12 divisors (see below), whose sum is σ = 2550831442432. Its totient is φ = 882980114616.

The previous prime is 1545215200631. The next prime is 1545215200657. The reversal of 1545215200641 is 1460025125451.

1545215200641 is a `hidden beast` number, since 1 + 5 + 4 + 5 + 2 + 1 + 5 + 2 + 0 + 0 + 641 = 666.

It is not a de Polignac number, because 1545215200641 - 2⁹ = 1545215200129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1545215200596 and 1545215200605.

It is not an unprimeable number, because it can be changed into a prime (1545215200631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12263612641 + ... + 12263612766.

Almost surely, 2^{1545215200641} is an apocalyptic number.

It is an amenable number.

1545215200641 is a deficient number, since it is larger than the sum of its proper divisors (1005616241791).

1545215200641 is a wasteful number, since it uses less digits than its factorization.

1545215200641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24527225420 (or 24527225417 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 1545215200641 in words is "one trillion, five hundred forty-five billion, two hundred fifteen million, two hundred thousand, six hundred forty-one".