152611351561 has 4 divisors (see below), whose sum is σ = 152651547972. Its totient is φ = 152571155152.

The previous prime is 152611351537. The next prime is 152611351577. The reversal of 152611351561 is 165153116251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 165153116251 = 523 ⋅315780337.

It can be written as a sum of positive squares in 2 ways, for example, as 51005964025 + 101605387536 = 225845^2 + 318756^2 .

It is a cyclic number.

It is not a de Polignac number, because 152611351561 - 2¹³ = 152611343369 is a prime.

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 152611351561.

It is not an unprimeable number, because it can be changed into a prime (152611351261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20092510 + ... + 20100103.

It is an arithmetic number, because the mean of its divisors is an integer number (38162886993).

Almost surely, 2^152611351561 is an apocalyptic number.

It is an amenable number.

152611351561 is a deficient number, since it is larger than the sum of its proper divisors (40196411).

152611351561 is an equidigital number, since it uses as much as digits as its factorization.

152611351561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40196410.

The product of its digits is 27000, while the sum is 37.

The spelling of 152611351561 in words is "one hundred fifty-two billion, six hundred eleven million, three hundred fifty-one thousand, five hundred sixty-one".