1401231411487 has 2 divisors, whose sum is σ = 1401231411488. Its totient is φ = 1401231411486.

The previous prime is 1401231411413. The next prime is 1401231411491. The reversal of 1401231411487 is 7841141321041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1401231411487 - 2¹¹ = 1401231409439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401231411187) 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 as a sum of consecutive naturals, namely, 700615705743 + 700615705744.

It is an arithmetic number, because the mean of its divisors is an integer number (700615705744).

Almost surely, 2^{1401231411487} is an apocalyptic number.

1401231411487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401231411487 is an equidigital number, since it uses as much as digits as its factorization.

1401231411487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 1401231411487 in words is "one trillion, four hundred one billion, two hundred thirty-one million, four hundred eleven thousand, four hundred eighty-seven".