1771087288213 has 24 divisors (see below), whose sum is σ = 1895585106240. Its totient is φ = 1654343646720.

The previous prime is 1771087288199. The next prime is 1771087288237. The reversal of 1771087288213 is 3128827801771.

It is not a de Polignac number, because 1771087288213 - 2⁹ = 1771087287701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1771087288913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157103145 + ... + 157114417.

It is an arithmetic number, because the mean of its divisors is an integer number (78982712760).

Almost surely, 2^{1771087288213} is an apocalyptic number.

It is an amenable number.

1771087288213 is a deficient number, since it is larger than the sum of its proper divisors (124497818027).

1771087288213 is a wasteful number, since it uses less digits than its factorization.

1771087288213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15357 (or 15340 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 55.

The spelling of 1771087288213 in words is "one trillion, seven hundred seventy-one billion, eighty-seven million, two hundred eighty-eight thousand, two hundred thirteen".