150978650551569 has 9 divisors (see below), whose sum is σ = 218080326264073. Its totient is φ = 100652409126372.

The previous prime is 150978650551567. The next prime is 150978650551699. The reversal of 150978650551569 is 965155056879051.

The square root of 150978650551569 is 12287337.

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

150978650551569 is a `hidden beast` number, since 1 + 5 + 0 + 9 + 7 + 8 + 6 + 5 + 0 + 5 + 51 + 569 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 150978650551569 - 2¹ = 150978650551567 is a prime.

It is a super-2 number, since 2×150978650551569² (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 = 150978650551497 and 150978650551506.

It is not an unprimeable number, because it can be changed into a prime (150978650551567) 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, 34814122 + ... + 38909900.

Almost surely, 2^{150978650551569} is an apocalyptic number.

150978650551569 is the 12287337-th square number.

150978650551569 is the 6143669-th centered octagonal number.

It is an amenable number.

150978650551569 is a deficient number, since it is larger than the sum of its proper divisors (67101675712504).

150978650551569 is an frugal number, since it uses more digits than its factorization.

150978650551569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8191564 (or 4095782 counting only the distinct ones).

The product of its (nonzero) digits is 510300000, while the sum is 72.

The spelling of 150978650551569 in words is "one hundred fifty trillion, nine hundred seventy-eight billion, six hundred fifty million, five hundred fifty-one thousand, five hundred sixty-nine".