12011311711403 has 2 divisors, whose sum is σ = 12011311711404. Its totient is φ = 12011311711402.

The previous prime is 12011311711349. The next prime is 12011311711411. The reversal of 12011311711403 is 30411711311021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (30411711311021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12011311711403 - 2¹⁸ = 12011311449259 is a prime.

It is not a weakly prime, because it can be changed into another prime (12011311711433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005655855701 + 6005655855702.

It is an arithmetic number, because the mean of its divisors is an integer number (6005655855702).

Almost surely, 2^{12011311711403} is an apocalyptic number.

12011311711403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011311711403 is an equidigital number, since it uses as much as digits as its factorization.

12011311711403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

The spelling of 12011311711403 in words is "twelve trillion, eleven billion, three hundred eleven million, seven hundred eleven thousand, four hundred three".