1204016612761 has 32 divisors (see below), whose sum is σ = 1298897402400. Its totient is φ = 1115841484800.

The previous prime is 1204016612759. The next prime is 1204016612783. The reversal of 1204016612761 is 1672166104021.

It can be written as a sum of positive squares in 16 ways, for example, as 153463361536 + 1050553251225 = 391744^2 + 1024965^2 .

It is not a de Polignac number, because 1204016612761 - 2¹ = 1204016612759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1204016612761.

It is not an unprimeable number, because it can be changed into a prime (1204016612741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251410555 + ... + 251415343.

It is an arithmetic number, because the mean of its divisors is an integer number (40590543825).

Almost surely, 2^{1204016612761} is an apocalyptic number.

It is an amenable number.

1204016612761 is a deficient number, since it is larger than the sum of its proper divisors (94880789639).

1204016612761 is an frugal number, since it uses more digits than its factorization.

1204016612761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5614 (or 5580 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 1204016612761 in words is "one trillion, two hundred four billion, sixteen million, six hundred twelve thousand, seven hundred sixty-one".