151012291609 has 9 divisors (see below), whose sum is σ = 160424919487. Its totient is φ = 142122997984.

The previous prime is 151012291553. The next prime is 151012291621. The reversal of 151012291609 is 906192210151.

The square root of 151012291609 is 388603.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 117570123225 + 33442168384 = 342885^2 + 182872^2 .

It is not a de Polignac number, because 151012291609 - 2⁷ = 151012291481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151012271609) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6594822 + ... + 6617680.

Almost surely, 2^151012291609 is an apocalyptic number.

151012291609 is the 388603-rd square number.

151012291609 is the 194302-nd centered octagonal number.

It is an amenable number.

151012291609 is a deficient number, since it is larger than the sum of its proper divisors (9412627878).

151012291609 is an frugal number, since it uses more digits than its factorization.

151012291609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45752 (or 22876 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 37.

The spelling of 151012291609 in words is "one hundred fifty-one billion, twelve million, two hundred ninety-one thousand, six hundred nine".