1203440110451 has 16 divisors (see below), whose sum is σ = 1230612009984. Its totient is φ = 1176334583424.

The previous prime is 1203440110429. The next prime is 1203440110463. The reversal of 1203440110451 is 1540110443021.

It is not a de Polignac number, because 1203440110451 - 2²⁶ = 1203373001587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1203440110451.

It is not an unprimeable number, because it can be changed into a prime (1203440110651) 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, 145461851 + ... + 145470123.

It is an arithmetic number, because the mean of its divisors is an integer number (76913250624).

Almost surely, 2^{1203440110451} is an apocalyptic number.

1203440110451 is a deficient number, since it is larger than the sum of its proper divisors (27171899533).

1203440110451 is a wasteful number, since it uses less digits than its factorization.

1203440110451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11890.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1203440110451 its reverse (1540110443021), we get a palindrome (2743550553472).

The spelling of 1203440110451 in words is "one trillion, two hundred three billion, four hundred forty million, one hundred ten thousand, four hundred fifty-one".