1351232251450 has 48 divisors (see below), whose sum is σ = 2572170593760. Its totient is φ = 527947542720.

The previous prime is 1351232251403. The next prime is 1351232251459. The reversal of 1351232251450 is 541522321531.

It is not an unprimeable number, because it can be changed into a prime (1351232251459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 995592 + ... + 1921891.

It is an arithmetic number, because the mean of its divisors is an integer number (53586887370).

Almost surely, 2^{1351232251450} is an apocalyptic number.

1351232251450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1351232251450 is a deficient number, since it is larger than the sum of its proper divisors (1220938342310).

1351232251450 is a wasteful number, since it uses less digits than its factorization.

1351232251450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917711 (or 2917706 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 1351232251450 its reverse (541522321531), we get a palindrome (1892754572981).

The spelling of 1351232251450 in words is "one trillion, three hundred fifty-one billion, two hundred thirty-two million, two hundred fifty-one thousand, four hundred fifty".