1010740006781 has 4 divisors (see below), whose sum is σ = 1025825678592. Its totient is φ = 995654334972.

The previous prime is 1010740006747. The next prime is 1010740006811. The reversal of 1010740006781 is 1876000470101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1010740006781 - 2³⁴ = 993560137597 is a prime.

It is a super-2 number, since 2×1010740006781² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010740006711) 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, 7542835805 + ... + 7542835938.

It is an arithmetic number, because the mean of its divisors is an integer number (256456419648).

Almost surely, 2^{1010740006781} is an apocalyptic number.

It is an amenable number.

1010740006781 is a deficient number, since it is larger than the sum of its proper divisors (15085671811).

1010740006781 is an equidigital number, since it uses as much as digits as its factorization.

1010740006781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15085671810.

The product of its (nonzero) digits is 9408, while the sum is 35.

Adding to 1010740006781 its reverse (1876000470101), we get a palindrome (2886740476882).

The spelling of 1010740006781 in words is "one trillion, ten billion, seven hundred forty million, six thousand, seven hundred eighty-one".