150128348261 has 2 divisors, whose sum is σ = 150128348262. Its totient is φ = 150128348260.

The previous prime is 150128348239. The next prime is 150128348269. The reversal of 150128348261 is 162843821051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147567381025 + 2560967236 = 384145^2 + 50606^2 .

It is a cyclic number.

It is not a de Polignac number, because 150128348261 - 2¹⁴ = 150128331877 is a prime.

It is a super-2 number, since 2×150128348261² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150128348269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75064174130 + 75064174131.

It is an arithmetic number, because the mean of its divisors is an integer number (75064174131).

Almost surely, 2^150128348261 is an apocalyptic number.

It is an amenable number.

150128348261 is a deficient number, since it is larger than the sum of its proper divisors (1).

150128348261 is an equidigital number, since it uses as much as digits as its factorization.

150128348261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 150128348261 in words is "one hundred fifty billion, one hundred twenty-eight million, three hundred forty-eight thousand, two hundred sixty-one".