1311102061125 has 64 divisors (see below), whose sum is σ = 2279185219584. Its totient is φ = 668544360000.

The previous prime is 1311102061109. The next prime is 1311102061133. The reversal of 1311102061125 is 5211602011131.

It is not a de Polignac number, because 1311102061125 - 2⁴ = 1311102061109 is a prime.

It is a super-2 number, since 2×1311102061125² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311102061095 and 1311102061104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 285460 + ... + 1644290.

It is an arithmetic number, because the mean of its divisors is an integer number (35612269056).

Almost surely, 2^{1311102061125} is an apocalyptic number.

1311102061125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1311102061125 is a deficient number, since it is larger than the sum of its proper divisors (968083158459).

1311102061125 is a wasteful number, since it uses less digits than its factorization.

1311102061125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358963 (or 1358953 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 24.

Adding to 1311102061125 its reverse (5211602011131), we get a palindrome (6522704072256).

The spelling of 1311102061125 in words is "one trillion, three hundred eleven billion, one hundred two million, sixty-one thousand, one hundred twenty-five".