221527352575157 has 32 divisors (see below), whose sum is σ = 229633879910400. Its totient is φ = 213575395737600.

The previous prime is 221527352575103. The next prime is 221527352575181. The reversal of 221527352575157 is 751575253725122.

It is a cyclic number.

It is not a de Polignac number, because 221527352575157 - 2⁸ = 221527352574901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221527352575096 and 221527352575105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221527352575357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3239190719 + ... + 3239259107.

It is an arithmetic number, because the mean of its divisors is an integer number (7176058747200).

Almost surely, 2^{221527352575157} is an apocalyptic number.

It is an amenable number.

221527352575157 is a deficient number, since it is larger than the sum of its proper divisors (8106527335243).

221527352575157 is a wasteful number, since it uses less digits than its factorization.

221527352575157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70517.

The product of its digits is 51450000, while the sum is 59.

The spelling of 221527352575157 in words is "two hundred twenty-one trillion, five hundred twenty-seven billion, three hundred fifty-two million, five hundred seventy-five thousand, one hundred fifty-seven".