1201310143525 has 12 divisors (see below), whose sum is σ = 1490447176704. Its totient is φ = 960517406000.

The previous prime is 1201310143477. The next prime is 1201310143589. The reversal of 1201310143525 is 5253410131021.

It is not a de Polignac number, because 1201310143525 - 2³⁵ = 1166950405157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201310143493 and 1201310143502.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13221541 + ... + 13312090.

It is an arithmetic number, because the mean of its divisors is an integer number (124203931392).

Almost surely, 2^{1201310143525} is an apocalyptic number.

It is an amenable number.

1201310143525 is a deficient number, since it is larger than the sum of its proper divisors (289137033179).

1201310143525 is a wasteful number, since it uses less digits than its factorization.

1201310143525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26535452 (or 26535447 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 1201310143525 its reverse (5253410131021), we get a palindrome (6454720274546).

The spelling of 1201310143525 in words is "one trillion, two hundred one billion, three hundred ten million, one hundred forty-three thousand, five hundred twenty-five".