150872842523261 has 4 divisors (see below), whose sum is σ = 150872906011932. Its totient is φ = 150872779034592.

The previous prime is 150872842523177. The next prime is 150872842523267. The reversal of 150872842523261 is 162325248278051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 119260268803225 + 31612573720036 = 10920635^2 + 5622506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150872842523261 is a prime.

It is a super-2 number, since 2×150872842523261² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150872842523197 and 150872842523206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150872842523267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28035320 + ... + 32980673.

It is an arithmetic number, because the mean of its divisors is an integer number (37718226502983).

Almost surely, 2^{150872842523261} is an apocalyptic number.

It is an amenable number.

150872842523261 is a deficient number, since it is larger than the sum of its proper divisors (63488671).

150872842523261 is an equidigital number, since it uses as much as digits as its factorization.

150872842523261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63488670.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 150872842523261 in words is "one hundred fifty trillion, eight hundred seventy-two billion, eight hundred forty-two million, five hundred twenty-three thousand, two hundred sixty-one".