1201014431553 has 16 divisors (see below), whose sum is σ = 1627930823616. Its totient is φ = 787392431040.

The previous prime is 1201014431479. The next prime is 1201014431557. The reversal of 1201014431553 is 3551344101021.

It is not a de Polignac number, because 1201014431553 - 2¹⁶ = 1201014366017 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201014431553.

It is not an unprimeable number, because it can be changed into a prime (1201014431557) 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 15 ways as a sum of consecutive naturals, for example, 259651 + ... + 1571447.

It is an arithmetic number, because the mean of its divisors is an integer number (101745676476).

Almost surely, 2^{1201014431553} is an apocalyptic number.

It is an amenable number.

1201014431553 is a deficient number, since it is larger than the sum of its proper divisors (426916392063).

1201014431553 is a wasteful number, since it uses less digits than its factorization.

1201014431553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316864.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1201014431553 its reverse (3551344101021), we get a palindrome (4752358532574).

The spelling of 1201014431553 in words is "one trillion, two hundred one billion, fourteen million, four hundred thirty-one thousand, five hundred fifty-three".