150125718221 has 2 divisors, whose sum is σ = 150125718222. Its totient is φ = 150125718220.

The previous prime is 150125718101. The next prime is 150125718263. The reversal of 150125718221 is 122817521051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86880510025 + 63245208196 = 294755^2 + 251486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150125718221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150125718521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75062859110 + 75062859111.

It is an arithmetic number, because the mean of its divisors is an integer number (75062859111).

Almost surely, 2^150125718221 is an apocalyptic number.

It is an amenable number.

150125718221 is a deficient number, since it is larger than the sum of its proper divisors (1).

150125718221 is an equidigital number, since it uses as much as digits as its factorization.

150125718221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 35.

The spelling of 150125718221 in words is "one hundred fifty billion, one hundred twenty-five million, seven hundred eighteen thousand, two hundred twenty-one".