1311435401451 has 16 divisors (see below), whose sum is σ = 1998403175424. Its totient is φ = 749382125184.

The previous prime is 1311435401429. The next prime is 1311435401461. The reversal of 1311435401451 is 1541045341131.

It is not a de Polignac number, because 1311435401451 - 2⁶ = 1311435401387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311435401461) 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, 1504755 + ... + 2210691.

It is an arithmetic number, because the mean of its divisors is an integer number (124900198464).

Almost surely, 2^{1311435401451} is an apocalyptic number.

1311435401451 is a deficient number, since it is larger than the sum of its proper divisors (686967773973).

1311435401451 is an equidigital number, since it uses as much as digits as its factorization.

1311435401451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794410.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 1311435401451 in words is "one trillion, three hundred eleven billion, four hundred thirty-five million, four hundred one thousand, four hundred fifty-one".