1043557006703 has 4 divisors (see below), whose sum is σ = 1046239672920. Its totient is φ = 1040874340488.

The previous prime is 1043557006699. The next prime is 1043557006763. The reversal of 1043557006703 is 3076007553401.

It is a happy number.

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 1043557006703 - 2² = 1043557006699 is a prime.

It is a super-2 number, since 2×1043557006703² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043557006763) 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, 1341332525 + ... + 1341333302.

It is an arithmetic number, because the mean of its divisors is an integer number (261559918230).

Almost surely, 2^{1043557006703} is an apocalyptic number.

1043557006703 is a deficient number, since it is larger than the sum of its proper divisors (2682666217).

1043557006703 is an equidigital number, since it uses as much as digits as its factorization.

1043557006703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682666216.

The product of its (nonzero) digits is 264600, while the sum is 41.

The spelling of 1043557006703 in words is "one trillion, forty-three billion, five hundred fifty-seven million, six thousand, seven hundred three".