151857043315 has 4 divisors (see below), whose sum is σ = 182228451984. Its totient is φ = 121485634648.

The previous prime is 151857043249. The next prime is 151857043357. The reversal of 151857043315 is 513340758151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151857043315 - 2¹⁷ = 151856912243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15185704327 + ... + 15185704336.

It is an arithmetic number, because the mean of its divisors is an integer number (45557112996).

Almost surely, 2^151857043315 is an apocalyptic number.

151857043315 is a deficient number, since it is larger than the sum of its proper divisors (30371408669).

151857043315 is an equidigital number, since it uses as much as digits as its factorization.

151857043315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30371408668.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 151857043315 in words is "one hundred fifty-one billion, eight hundred fifty-seven million, forty-three thousand, three hundred fifteen".