215275751796 has 24 divisors (see below), whose sum is σ = 574068671680. Its totient is φ = 61507357632.

The previous prime is 215275751777. The next prime is 215275751827. The reversal of 215275751796 is 697157572512.

It is a super-2 number, since 2×215275751796² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281403201 + ... + 1281403368.

Almost surely, 2^215275751796 is an apocalyptic number.

It is an amenable number.

215275751796 is an abundant number, since it is smaller than the sum of its proper divisors (358792919884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215275751796 is a wasteful number, since it uses less digits than its factorization.

215275751796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562806583 (or 2562806581 counting only the distinct ones).

The product of its digits is 9261000, while the sum is 57.

The spelling of 215275751796 in words is "two hundred fifteen billion, two hundred seventy-five million, seven hundred fifty-one thousand, seven hundred ninety-six".