775540651002136 has 32 divisors (see below), whose sum is σ = 1456079194913040. Its totient is φ = 387253188016128.

The previous prime is 775540651002107. The next prime is 775540651002193. The reversal of 775540651002136 is 631200156045577.

It is a super-2 number, since 2×775540651002136² (a number of 31 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893406 + ... + 39393901.

Almost surely, 2^{775540651002136} is an apocalyptic number.

It is an amenable number.

775540651002136 is a deficient number, since it is larger than the sum of its proper divisors (680538543910904).

775540651002136 is a wasteful number, since it uses less digits than its factorization.

775540651002136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40290523 (or 40290519 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 52.

The spelling of 775540651002136 in words is "seven hundred seventy-five trillion, five hundred forty billion, six hundred fifty-one million, two thousand, one hundred thirty-six".