151683518485 has 4 divisors (see below), whose sum is σ = 182020222188. Its totient is φ = 121346814784.

The previous prime is 151683518473. The next prime is 151683518489. The reversal of 151683518485 is 584815386151.

It is a happy number.

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 116915441041 + 34768077444 = 341929^2 + 186462^2 .

It is a cyclic number.

It is not a de Polignac number, because 151683518485 - 2¹¹ = 151683516437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151683518489) 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, 15168351844 + ... + 15168351853.

It is an arithmetic number, because the mean of its divisors is an integer number (45505055547).

Almost surely, 2^151683518485 is an apocalyptic number.

It is an amenable number.

151683518485 is a deficient number, since it is larger than the sum of its proper divisors (30336703703).

151683518485 is an equidigital number, since it uses as much as digits as its factorization.

151683518485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30336703702.

The product of its digits is 4608000, while the sum is 55.

The spelling of 151683518485 in words is "one hundred fifty-one billion, six hundred eighty-three million, five hundred eighteen thousand, four hundred eighty-five".