1061050505505 has 8 divisors (see below), whose sum is σ = 1697680808832. Its totient is φ = 565893602928.

The previous prime is 1061050505497. The next prime is 1061050505551. The reversal of 1061050505505 is 5055050501601.

1061050505505 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1061050505505 - 2³ = 1061050505497 is a prime.

It is a super-2 number, since 2×1061050505505² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35368350169 + ... + 35368350198.

It is an arithmetic number, because the mean of its divisors is an integer number (212210101104).

Almost surely, 2^{1061050505505} is an apocalyptic number.

1061050505505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1061050505505 is a deficient number, since it is larger than the sum of its proper divisors (636630303327).

1061050505505 is an equidigital number, since it uses as much as digits as its factorization.

1061050505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70736700375.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 1061050505505 in words is "one trillion, sixty-one billion, fifty million, five hundred five thousand, five hundred five".