1401451452505 has 24 divisors (see below), whose sum is σ = 1821318901632. Its totient is φ = 1034769513024.

The previous prime is 1401451452473. The next prime is 1401451452523. The reversal of 1401451452505 is 5052541541041.

It is not a de Polignac number, because 1401451452505 - 2⁵ = 1401451452473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5957632 + ... + 6188398.

It is an arithmetic number, because the mean of its divisors is an integer number (75888287568).

Almost surely, 2^{1401451452505} is an apocalyptic number.

It is an amenable number.

1401451452505 is a deficient number, since it is larger than the sum of its proper divisors (419867449127).

1401451452505 is a wasteful number, since it uses less digits than its factorization.

1401451452505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237985 (or 237972 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 37.

Adding to 1401451452505 its reverse (5052541541041), we get a palindrome (6453992993546).

The spelling of 1401451452505 in words is "one trillion, four hundred one billion, four hundred fifty-one million, four hundred fifty-two thousand, five hundred five".