150172056061 has 2 divisors, whose sum is σ = 150172056062. Its totient is φ = 150172056060.

The previous prime is 150172056053. The next prime is 150172056077. The reversal of 150172056061 is 160650271051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84428019225 + 65744036836 = 290565^2 + 256406^2 .

It is a cyclic number.

It is not a de Polignac number, because 150172056061 - 2³ = 150172056053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150172056031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75086028030 + 75086028031.

It is an arithmetic number, because the mean of its divisors is an integer number (75086028031).

Almost surely, 2^150172056061 is an apocalyptic number.

It is an amenable number.

150172056061 is a deficient number, since it is larger than the sum of its proper divisors (1).

150172056061 is an equidigital number, since it uses as much as digits as its factorization.

150172056061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 150172056061 in words is "one hundred fifty billion, one hundred seventy-two million, fifty-six thousand, sixty-one".