10981401231487 has 2 divisors, whose sum is σ = 10981401231488. Its totient is φ = 10981401231486.

The previous prime is 10981401231331. The next prime is 10981401231569. The reversal of 10981401231487 is 78413210418901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10981401231487 - 2²³ = 10981392842879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10981401231487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10981401261487) 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, 5490700615743 + 5490700615744.

It is an arithmetic number, because the mean of its divisors is an integer number (5490700615744).

Almost surely, 2^{10981401231487} is an apocalyptic number.

10981401231487 is a deficient number, since it is larger than the sum of its proper divisors (1).

10981401231487 is an equidigital number, since it uses as much as digits as its factorization.

10981401231487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 10981401231487 in words is "ten trillion, nine hundred eighty-one billion, four hundred one million, two hundred thirty-one thousand, four hundred eighty-seven".