1311641016040 has 32 divisors (see below), whose sum is σ = 2973720483360. Its totient is φ = 520651393600.

The previous prime is 1311641016031. The next prime is 1311641016041. The reversal of 1311641016040 is 406101461131.

It is not an unprimeable number, because it can be changed into a prime (1311641016041) 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, 125151346 + ... + 125161825.

It is an arithmetic number, because the mean of its divisors is an integer number (92928765105).

Almost surely, 2^{1311641016040} is an apocalyptic number.

1311641016040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311641016040 is an abundant number, since it is smaller than the sum of its proper divisors (1662079467320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311641016040 is a wasteful number, since it uses less digits than its factorization.

1311641016040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250313313 (or 250313309 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 1311641016040 its reverse (406101461131), we get a palindrome (1717742477171).

The spelling of 1311641016040 in words is "one trillion, three hundred eleven billion, six hundred forty-one million, sixteen thousand, forty".