1451320401111 has 48 divisors (see below), whose sum is σ = 2354388038400. Its totient is φ = 776847684096.

The previous prime is 1451320401109. The next prime is 1451320401121. The reversal of 1451320401111 is 1111040231541.

It is not a de Polignac number, because 1451320401111 - 2¹ = 1451320401109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451320401121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2930875 + ... + 3390083.

It is an arithmetic number, because the mean of its divisors is an integer number (49049750800).

Almost surely, 2^{1451320401111} is an apocalyptic number.

1451320401111 is a deficient number, since it is larger than the sum of its proper divisors (903067637289).

1451320401111 is an equidigital number, since it uses as much as digits as its factorization.

1451320401111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459416 (or 459327 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 1451320401111 its reverse (1111040231541), we get a palindrome (2562360632652).

The spelling of 1451320401111 in words is "one trillion, four hundred fifty-one billion, three hundred twenty million, four hundred one thousand, one hundred eleven".