2670155085365 has 4 divisors (see below), whose sum is σ = 3204186102444. Its totient is φ = 2136124068288.

The previous prime is 2670155085359. The next prime is 2670155085413. The reversal of 2670155085365 is 5635805510762.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1675569735844 + 994585349521 = 1294438^2 + 997289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2670155085365 - 2³² = 2665860118069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267015508532 + ... + 267015508541.

It is an arithmetic number, because the mean of its divisors is an integer number (801046525611).

Almost surely, 2^{2670155085365} is an apocalyptic number.

It is an amenable number.

2670155085365 is a deficient number, since it is larger than the sum of its proper divisors (534031017079).

2670155085365 is an equidigital number, since it uses as much as digits as its factorization.

2670155085365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534031017078.

The product of its (nonzero) digits is 7560000, while the sum is 53.

The spelling of 2670155085365 in words is "two trillion, six hundred seventy billion, one hundred fifty-five million, eighty-five thousand, three hundred sixty-five".