1045461986551 has 4 divisors (see below), whose sum is σ = 1062600707704. Its totient is φ = 1028323265400.

The previous prime is 1045461986519. The next prime is 1045461986557. The reversal of 1045461986551 is 1556891645401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1045461986551 - 2⁵ = 1045461986519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045461986492 and 1045461986501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045461986557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8569360485 + ... + 8569360606.

It is an arithmetic number, because the mean of its divisors is an integer number (265650176926).

Almost surely, 2^{1045461986551} is an apocalyptic number.

1045461986551 is a deficient number, since it is larger than the sum of its proper divisors (17138721153).

1045461986551 is an equidigital number, since it uses as much as digits as its factorization.

1045461986551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17138721152.

The product of its (nonzero) digits is 5184000, while the sum is 55.

The spelling of 1045461986551 in words is "one trillion, forty-five billion, four hundred sixty-one million, nine hundred eighty-six thousand, five hundred fifty-one".