2103004061761 has 6 divisors (see below), whose sum is σ = 2198414454530. Its totient is φ = 2011569102048.

The previous prime is 2103004061759. The next prime is 2103004061771. The reversal of 2103004061761 is 1671604003012.

It can be written as a sum of positive squares in only one way, i.e., 1368116212225 + 734887849536 = 1169665^2 + 857256^2 .

It is not a de Polignac number, because 2103004061761 - 2¹ = 2103004061759 is a prime.

It is a super-2 number, since 2×2103004061761² (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 (2103004061771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1987715976 + ... + 1987717033.

Almost surely, 2^{2103004061761} is an apocalyptic number.

It is an amenable number.

2103004061761 is a deficient number, since it is larger than the sum of its proper divisors (95410392769).

2103004061761 is an equidigital number, since it uses as much as digits as its factorization.

2103004061761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975433055 (or 3975433032 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 2103004061761 its reverse (1671604003012), we get a palindrome (3774608064773).

The spelling of 2103004061761 in words is "two trillion, one hundred three billion, four million, sixty-one thousand, seven hundred sixty-one".