53660156251201 has 2 divisors, whose sum is σ = 53660156251202. Its totient is φ = 53660156251200.

The previous prime is 53660156251189. The next prime is 53660156251399. The reversal of 53660156251201 is 10215265106635.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48586490100801 + 5073666150400 = 6970401^2 + 2252480^2 .

It is a cyclic number.

It is not a de Polignac number, because 53660156251201 - 2¹¹ = 53660156249153 is a prime.

It is not a weakly prime, because it can be changed into another prime (53660156255201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26830078125600 + 26830078125601.

It is an arithmetic number, because the mean of its divisors is an integer number (26830078125601).

Almost surely, 2^{53660156251201} is an apocalyptic number.

It is an amenable number.

53660156251201 is a deficient number, since it is larger than the sum of its proper divisors (1).

53660156251201 is an equidigital number, since it uses as much as digits as its factorization.

53660156251201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 53660156251201 in words is "fifty-three trillion, six hundred sixty billion, one hundred fifty-six million, two hundred fifty-one thousand, two hundred one".