1351155677443 has 32 divisors (see below), whose sum is σ = 1626302329344. Its totient is φ = 1106036640000.

The previous prime is 1351155677429. The next prime is 1351155677479. The reversal of 1351155677443 is 3447765511531.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351155677443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1351155617443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88470898 + ... + 88486168.

It is an arithmetic number, because the mean of its divisors is an integer number (50821947792).

Almost surely, 2^{1351155677443} is an apocalyptic number.

1351155677443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1351155677443 is a deficient number, since it is larger than the sum of its proper divisors (275146651901).

1351155677443 is a wasteful number, since it uses less digits than its factorization.

1351155677443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30427.

The product of its digits is 5292000, while the sum is 52.

The spelling of 1351155677443 in words is "one trillion, three hundred fifty-one billion, one hundred fifty-five million, six hundred seventy-seven thousand, four hundred forty-three".