1311102061142 has 8 divisors (see below), whose sum is σ = 1973602396776. Its totient is φ = 653234595552.

The previous prime is 1311102061133. The next prime is 1311102061177. The reversal of 1311102061142 is 2411602011131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1311102061142² (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1158216803 + ... + 1158217934.

It is an arithmetic number, because the mean of its divisors is an integer number (246700299597).

Almost surely, 2^{1311102061142} is an apocalyptic number.

1311102061142 is a deficient number, since it is larger than the sum of its proper divisors (662500335634).

1311102061142 is a wasteful number, since it uses less digits than its factorization.

1311102061142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316435022.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 1311102061142 its reverse (2411602011131), we get a palindrome (3722704072273).

The spelling of 1311102061142 in words is "one trillion, three hundred eleven billion, one hundred two million, sixty-one thousand, one hundred forty-two".