201215551153 has 2 divisors, whose sum is σ = 201215551154. Its totient is φ = 201215551152.

The previous prime is 201215551139. The next prime is 201215551193. The reversal of 201215551153 is 351155512102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175098728704 + 26116822449 = 418448^2 + 161607^2 .

It is a cyclic number.

It is not a de Polignac number, because 201215551153 - 2²⁵ = 201181996721 is a prime.

It is not a weakly prime, because it can be changed into another prime (201215551193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100607775576 + 100607775577.

It is an arithmetic number, because the mean of its divisors is an integer number (100607775577).

Almost surely, 2^201215551153 is an apocalyptic number.

It is an amenable number.

201215551153 is a deficient number, since it is larger than the sum of its proper divisors (1).

201215551153 is an equidigital number, since it uses as much as digits as its factorization.

201215551153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 201215551153 in words is "two hundred one billion, two hundred fifteen million, five hundred fifty-one thousand, one hundred fifty-three".