151864999682085 has 40 divisors (see below), whose sum is σ = 272282314027680. Its totient is φ = 80979718903776.

The previous prime is 151864999682069. The next prime is 151864999682107. The reversal of 151864999682085 is 580286999468151.

151864999682085 is a `hidden beast` number, since 1 + 5 + 18 + 6 + 499 + 96 + 8 + 20 + 8 + 5 = 666.

It is not a de Polignac number, because 151864999682085 - 2⁴ = 151864999682069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 151864999681995 and 151864999682013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32403507 + ... + 36792896.

It is an arithmetic number, because the mean of its divisors is an integer number (6807057850692).

Almost surely, 2^{151864999682085} is an apocalyptic number.

151864999682085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151864999682085 is a deficient number, since it is larger than the sum of its proper divisors (120417314345595).

151864999682085 is an equidigital number, since it uses as much as digits as its factorization.

151864999682085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69201839 (or 69201830 counting only the distinct ones).

The product of its (nonzero) digits is 2687385600, while the sum is 81.

The spelling of 151864999682085 in words is "one hundred fifty-one trillion, eight hundred sixty-four billion, nine hundred ninety-nine million, six hundred eighty-two thousand, eighty-five".