1045631516461 has 8 divisors (see below), whose sum is σ = 1217554758144. Its totient is φ = 879345102480.

The previous prime is 1045631516411. The next prime is 1045631516507. The reversal of 1045631516461 is 1646151365401.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1045631516461 - 2¹¹ = 1045631514413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045631516411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1409206525 + ... + 1409207266.

It is an arithmetic number, because the mean of its divisors is an integer number (152194344768).

Almost surely, 2^{1045631516461} is an apocalyptic number.

It is an amenable number.

1045631516461 is a deficient number, since it is larger than the sum of its proper divisors (171923241683).

1045631516461 is an equidigital number, since it uses as much as digits as its factorization.

1045631516461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818413851.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 1045631516461 in words is "one trillion, forty-five billion, six hundred thirty-one million, five hundred sixteen thousand, four hundred sixty-one".