151121032315 has 16 divisors (see below), whose sum is σ = 197927679456. Its totient is φ = 109852588800.

The previous prime is 151121032297. The next prime is 151121032319. The reversal of 151121032315 is 513230121151.

It is not a de Polignac number, because 151121032315 - 2¹⁹ = 151120508027 is a prime.

It is a super-3 number, since 3×151121032315³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151121032315.

It is not an unprimeable number, because it can be changed into a prime (151121032319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556266 + ... + 782095.

It is an arithmetic number, because the mean of its divisors is an integer number (12370479966).

Almost surely, 2^151121032315 is an apocalyptic number.

151121032315 is a deficient number, since it is larger than the sum of its proper divisors (46806647141).

151121032315 is a wasteful number, since it uses less digits than its factorization.

151121032315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340430.

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 151121032315 its reverse (513230121151), we get a palindrome (664351153466).

The spelling of 151121032315 in words is "one hundred fifty-one billion, one hundred twenty-one million, thirty-two thousand, three hundred fifteen".