2670705615561 has 8 divisors (see below), whose sum is σ = 3657182464704. Its totient is φ = 1732349588400.

The previous prime is 2670705615541. The next prime is 2670705615577. The reversal of 2670705615561 is 1655165070762.

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

It is not a de Polignac number, because 2670705615561 - 2⁷ = 2670705615433 is a prime.

It is a super-3 number, since 3×2670705615561³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2670705615541) 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, 12030205365 + ... + 12030205586.

It is an arithmetic number, because the mean of its divisors is an integer number (457147808088).

Almost surely, 2^{2670705615561} is an apocalyptic number.

It is an amenable number.

2670705615561 is a deficient number, since it is larger than the sum of its proper divisors (986476849143).

2670705615561 is a wasteful number, since it uses less digits than its factorization.

2670705615561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24060410991.

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 2670705615561 in words is "two trillion, six hundred seventy billion, seven hundred five million, six hundred fifteen thousand, five hundred sixty-one".