1061256765371 has 8 divisors (see below), whose sum is σ = 1157742201600. Its totient is φ = 964772587240.

The previous prime is 1061256765347. The next prime is 1061256765419. The reversal of 1061256765371 is 1735676521601.

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

It is a de Polignac number, because none of the positive numbers 2^k-1061256765371 is a prime.

It is a super-2 number, since 2×1061256765371² (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 (1061256765311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2733890 + ... + 3097848.

It is an arithmetic number, because the mean of its divisors is an integer number (144717775200).

Almost surely, 2^{1061256765371} is an apocalyptic number.

1061256765371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1061256765371 is a deficient number, since it is larger than the sum of its proper divisors (96485436229).

1061256765371 is a wasteful number, since it uses less digits than its factorization.

1061256765371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629049.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 1061256765371 in words is "one trillion, sixty-one billion, two hundred fifty-six million, seven hundred sixty-five thousand, three hundred seventy-one".