1061908953787 has 4 divisors (see below), whose sum is σ = 1158446131416. Its totient is φ = 965371776160.

The previous prime is 1061908953773. The next prime is 1061908953793. The reversal of 1061908953787 is 7873598091601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1061908953787 - 2¹⁵ = 1061908921019 is a prime.

It is a super-2 number, since 2×1061908953787² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061908953587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48268588798 + ... + 48268588819.

It is an arithmetic number, because the mean of its divisors is an integer number (289611532854).

Almost surely, 2^{1061908953787} is an apocalyptic number.

1061908953787 is a deficient number, since it is larger than the sum of its proper divisors (96537177629).

1061908953787 is an equidigital number, since it uses as much as digits as its factorization.

1061908953787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96537177628.

The product of its (nonzero) digits is 22861440, while the sum is 64.

The spelling of 1061908953787 in words is "one trillion, sixty-one billion, nine hundred eight million, nine hundred fifty-three thousand, seven hundred eighty-seven".