2261346771615 has 16 divisors (see below), whose sum is σ = 3702297971328. Its totient is φ = 1178003899296.

The previous prime is 2261346771599. The next prime is 2261346771637. The reversal of 2261346771615 is 5161776431622.

It is not a de Polignac number, because 2261346771615 - 2⁴ = 2261346771599 is a prime.

It is a super-2 number, since 2×2261346771615² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1752981349 + ... + 1752982638.

It is an arithmetic number, because the mean of its divisors is an integer number (231393623208).

Almost surely, 2^{2261346771615} is an apocalyptic number.

2261346771615 is a deficient number, since it is larger than the sum of its proper divisors (1440951199713).

2261346771615 is a wasteful number, since it uses less digits than its factorization.

2261346771615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505964038.

The product of its digits is 2540160, while the sum is 51.

The spelling of 2261346771615 in words is "two trillion, two hundred sixty-one billion, three hundred forty-six million, seven hundred seventy-one thousand, six hundred fifteen".