152561453313565 has 4 divisors (see below), whose sum is σ = 183073743976284. Its totient is φ = 122049162650848.

The previous prime is 152561453313559. The next prime is 152561453313583. The reversal of 152561453313565 is 565313354165251.

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 71210830699801 + 81350622613764 = 8438651^2 + 9019458^2 .

It is a cyclic number.

It is not a de Polignac number, because 152561453313565 - 2¹⁷ = 152561453182493 is a prime.

It is a Duffinian number.

It is a congruent 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, 15256145331352 + ... + 15256145331361.

It is an arithmetic number, because the mean of its divisors is an integer number (45768435994071).

Almost surely, 2^{152561453313565} is an apocalyptic number.

It is an amenable number.

152561453313565 is a deficient number, since it is larger than the sum of its proper divisors (30512290662719).

152561453313565 is an equidigital number, since it uses as much as digits as its factorization.

152561453313565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30512290662718.

The product of its digits is 24300000, while the sum is 55.

The spelling of 152561453313565 in words is "one hundred fifty-two trillion, five hundred sixty-one billion, four hundred fifty-three million, three hundred thirteen thousand, five hundred sixty-five".