1311034552000 has 112 divisors (see below), whose sum is σ = 3358735492320. Its totient is φ = 506330496000.

The previous prime is 1311034551997. The next prime is 1311034552031. The reversal of 1311034552000 is 2554301131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2593506 + ... + 3057505.

Almost surely, 2^{1311034552000} is an apocalyptic number.

1311034552000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311034552000 is an abundant number, since it is smaller than the sum of its proper divisors (2047700940320).

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

1311034552000 is an equidigital number, since it uses as much as digits as its factorization.

1311034552000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5651067 (or 5651047 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 1311034552000 its reverse (2554301131), we get a palindrome (1313588853131).

The spelling of 1311034552000 in words is "one trillion, three hundred eleven billion, thirty-four million, five hundred fifty-two thousand".