1371356115511 has 8 divisors (see below), whose sum is σ = 1372057584480. Its totient is φ = 1370654810112.

The previous prime is 1371356115499. The next prime is 1371356115601. The reversal of 1371356115511 is 1155116531731.

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

It is a cyclic number.

It is not a de Polignac number, because 1371356115511 - 2¹⁹ = 1371355591223 is a prime.

It is a super-2 number, since 2×1371356115511² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371356115611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18917511 + ... + 18989863.

It is an arithmetic number, because the mean of its divisors is an integer number (171507198060).

Almost surely, 2^{1371356115511} is an apocalyptic number.

1371356115511 is a deficient number, since it is larger than the sum of its proper divisors (701468969).

1371356115511 is an equidigital number, since it uses as much as digits as its factorization.

1371356115511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81785.

The product of its digits is 47250, while the sum is 40.

The spelling of 1371356115511 in words is "one trillion, three hundred seventy-one billion, three hundred fifty-six million, one hundred fifteen thousand, five hundred eleven".