151261145615 has 4 divisors (see below), whose sum is σ = 181513374744. Its totient is φ = 121008916488.

The previous prime is 151261145557. The next prime is 151261145647. The reversal of 151261145615 is 516541162151.

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 151261145615 - 2¹⁸ = 151260883471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15126114557 + ... + 15126114566.

It is an arithmetic number, because the mean of its divisors is an integer number (45378343686).

Almost surely, 2^151261145615 is an apocalyptic number.

151261145615 is a deficient number, since it is larger than the sum of its proper divisors (30252229129).

151261145615 is an equidigital number, since it uses as much as digits as its factorization.

151261145615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30252229128.

The product of its digits is 36000, while the sum is 38.

The spelling of 151261145615 in words is "one hundred fifty-one billion, two hundred sixty-one million, one hundred forty-five thousand, six hundred fifteen".