151601081000 has 32 divisors (see below), whose sum is σ = 354746531880. Its totient is φ = 60640432000.

The previous prime is 151601080963. The next prime is 151601081011. The reversal of 151601081000 is 180106151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6011521156 + 145589559844 = 77534^2 + 381562^2 .

It is a super-2 number, since 2×151601081000² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75799541 + ... + 75801540.

Almost surely, 2^151601081000 is an apocalyptic number.

151601081000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151601081000 is an abundant number, since it is smaller than the sum of its proper divisors (203145450880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151601081000 is a wasteful number, since it uses less digits than its factorization.

151601081000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151601102 (or 151601088 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 23.

Adding to 151601081000 its reverse (180106151), we get a palindrome (151781187151).

The spelling of 151601081000 in words is "one hundred fifty-one billion, six hundred one million, eighty-one thousand".