7161766272225 has 48 divisors (see below), whose sum is σ = 13213881836800. Its totient is φ = 3802929082560.

The previous prime is 7161766272223. The next prime is 7161766272257. The reversal of 7161766272225 is 5222726671617.

7161766272225 is a `hidden beast` number, since 7 + 1 + 6 + 1 + 7 + 6 + 627 + 2 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 7161766272225 - 2¹ = 7161766272223 is a prime.

It is a super-2 number, since 2×7161766272225² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7161766272223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23011417 + ... + 23320566.

Almost surely, 2^{7161766272225} is an apocalyptic number.

7161766272225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7161766272225 is a deficient number, since it is larger than the sum of its proper divisors (6052115564575).

7161766272225 is a wasteful number, since it uses less digits than its factorization.

7161766272225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46332231 (or 46332220 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The spelling of 7161766272225 in words is "seven trillion, one hundred sixty-one billion, seven hundred sixty-six million, two hundred seventy-two thousand, two hundred twenty-five".