1401309599881 has 8 divisors (see below), whose sum is σ = 1405484611200. Its totient is φ = 1397136098400.

The previous prime is 1401309599857. The next prime is 1401309599887. The reversal of 1401309599881 is 1889959031041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401309599881 is a prime.

It is a super-2 number, since 2×1401309599881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401309599887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495356 + ... + 2244706.

It is an arithmetic number, because the mean of its divisors is an integer number (175685576400).

Almost surely, 2^{1401309599881} is an apocalyptic number.

It is an amenable number.

1401309599881 is a deficient number, since it is larger than the sum of its proper divisors (4175011319).

1401309599881 is an equidigital number, since it uses as much as digits as its factorization.

1401309599881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754919.

The product of its (nonzero) digits is 2799360, while the sum is 58.

The spelling of 1401309599881 in words is "one trillion, four hundred one billion, three hundred nine million, five hundred ninety-nine thousand, eight hundred eighty-one".