1011641605326 has 48 divisors (see below), whose sum is σ = 2391219792000. Its totient is φ = 306549484560.

The previous prime is 1011641605313. The next prime is 1011641605411. The reversal of 1011641605326 is 6235061461101.

1011641605326 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 6 + 41 + 605 + 3 + 2 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14021821 + ... + 14093783.

It is an arithmetic number, because the mean of its divisors is an integer number (49817079000).

Almost surely, 2^{1011641605326} is an apocalyptic number.

1011641605326 is an abundant number, since it is smaller than the sum of its proper divisors (1379578186674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011641605326 is a wasteful number, since it uses less digits than its factorization.

1011641605326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142981 (or 142978 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 1011641605326 in words is "one trillion, eleven billion, six hundred forty-one million, six hundred five thousand, three hundred twenty-six".