10781488477442 has 32 divisors (see below), whose sum is σ = 16539785720640. Its totient is φ = 5269274043840.

The previous prime is 10781488477399. The next prime is 10781488477453. The reversal of 10781488477442 is 24477488418701.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 150046748 + ... + 150118584.

It is an arithmetic number, because the mean of its divisors is an integer number (516868303770).

Almost surely, 2^{10781488477442} is an apocalyptic number.

10781488477442 is a deficient number, since it is larger than the sum of its proper divisors (5758297243198).

10781488477442 is a wasteful number, since it uses less digits than its factorization.

10781488477442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79106.

The product of its (nonzero) digits is 89915392, while the sum is 65.

The spelling of 10781488477442 in words is "ten trillion, seven hundred eighty-one billion, four hundred eighty-eight million, four hundred seventy-seven thousand, four hundred forty-two".