11344431101451 has 32 divisors (see below), whose sum is σ = 18200940264960. Its totient is φ = 6139874981376.

The previous prime is 11344431101383. The next prime is 11344431101477. The reversal of 11344431101451 is 15410113444311.

It is not a de Polignac number, because 11344431101451 - 2⁹ = 11344431100939 is a prime.

It is a super-2 number, since 2×11344431101451² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11344431101051) 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, 1736796 + ... + 5070041.

It is an arithmetic number, because the mean of its divisors is an integer number (568779383280).

Almost surely, 2^{11344431101451} is an apocalyptic number.

11344431101451 is a deficient number, since it is larger than the sum of its proper divisors (6856509163509).

11344431101451 is a wasteful number, since it uses less digits than its factorization.

11344431101451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811043.

The product of its (nonzero) digits is 11520, while the sum is 33.

Adding to 11344431101451 its reverse (15410113444311), we get a palindrome (26754544545762).

The spelling of 11344431101451 in words is "eleven trillion, three hundred forty-four billion, four hundred thirty-one million, one hundred one thousand, four hundred fifty-one".