1343966301561 has 16 divisors (see below), whose sum is σ = 1929837026880. Its totient is φ = 827039359680.

The previous prime is 1343966301551. The next prime is 1343966301581. The reversal of 1343966301561 is 1651036693431.

It is not a de Polignac number, because 1343966301561 - 2²¹ = 1343964204409 is a prime.

It is a super-3 number, since 3×1343966301561³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1343966301561.

It is not an unprimeable number, because it can be changed into a prime (1343966301551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1750426 + ... + 2398316.

It is an arithmetic number, because the mean of its divisors is an integer number (120614814180).

Almost surely, 2^{1343966301561} is an apocalyptic number.

It is an amenable number.

1343966301561 is a deficient number, since it is larger than the sum of its proper divisors (585870725319).

1343966301561 is a wasteful number, since it uses less digits than its factorization.

1343966301561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701096.

The product of its (nonzero) digits is 1049760, while the sum is 48.

The spelling of 1343966301561 in words is "one trillion, three hundred forty-three billion, nine hundred sixty-six million, three hundred one thousand, five hundred sixty-one".