1311550211010 has 64 divisors (see below), whose sum is σ = 3393410848128. Its totient is φ = 322504272384.

The previous prime is 1311550210937. The next prime is 1311550211011. The reversal of 1311550211010 is 101120551131.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1311550211011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1392732 + ... + 2136071.

It is an arithmetic number, because the mean of its divisors is an integer number (53022044502).

Almost surely, 2^{1311550211010} is an apocalyptic number.

1311550211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311550211010 is an abundant number, since it is smaller than the sum of its proper divisors (2081860637118).

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

1311550211010 is a wasteful number, since it uses less digits than its factorization.

1311550211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529779.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 1311550211010 its reverse (101120551131), we get a palindrome (1412670762141).

The spelling of 1311550211010 in words is "one trillion, three hundred eleven billion, five hundred fifty million, two hundred eleven thousand, ten".