1045158515451 has 24 divisors (see below), whose sum is σ = 1572936827904. Its totient is φ = 667993967280.

The previous prime is 1045158515449. The next prime is 1045158515473. The reversal of 1045158515451 is 1545158515401.

1045158515451 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 1 + 58 + 51 + 545 + 1 = 666.

It is not a de Polignac number, because 1045158515451 - 2¹ = 1045158515449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1045158515397 and 1045158515406.

It is not an unprimeable number, because it can be changed into a prime (1045158525451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17475231 + ... + 17534936.

It is an arithmetic number, because the mean of its divisors is an integer number (65539034496).

Almost surely, 2^{1045158515451} is an apocalyptic number.

1045158515451 is a deficient number, since it is larger than the sum of its proper divisors (527778312453).

1045158515451 is a wasteful number, since it uses less digits than its factorization.

1045158515451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35010311 (or 35010308 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 45.

The spelling of 1045158515451 in words is "one trillion, forty-five billion, one hundred fifty-eight million, five hundred fifteen thousand, four hundred fifty-one".