1043345515451 has 8 divisors (see below), whose sum is σ = 1056249621504. Its totient is φ = 1030449354280.

The previous prime is 1043345515439. The next prime is 1043345515463. The reversal of 1043345515451 is 1545155433401.

It is an interprime number because it is at equal distance from previous prime (1043345515439) and next prime (1043345515463).

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 1043345515451 - 2³⁴ = 1026165646267 is a prime.

It is a super-2 number, since 2×1043345515451² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1043345515399 and 1043345515408.

It is not an unprimeable number, because it can be changed into a prime (1043345515411) 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, 1721735 + ... + 2247456.

It is an arithmetic number, because the mean of its divisors is an integer number (132031202688).

Almost surely, 2^{1043345515451} is an apocalyptic number.

1043345515451 is a deficient number, since it is larger than the sum of its proper divisors (12904106053).

1043345515451 is an equidigital number, since it uses as much as digits as its factorization.

1043345515451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972441.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 1043345515451 in words is "one trillion, forty-three billion, three hundred forty-five million, five hundred fifteen thousand, four hundred fifty-one".