155412670564601 has 4 divisors (see below), whose sum is σ = 155432793927312. Its totient is φ = 155392547201892.

The previous prime is 155412670564577. The next prime is 155412670564639. The reversal of 155412670564601 is 106465076214551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155412670564601 - 2³⁸ = 155137792657657 is a prime.

It is a super-2 number, since 2×155412670564601² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155412670564661) by changing a digit.

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, 10061669771 + ... + 10061685216.

It is an arithmetic number, because the mean of its divisors is an integer number (38858198481828).

Almost surely, 2^{155412670564601} is an apocalyptic number.

It is an amenable number.

155412670564601 is a deficient number, since it is larger than the sum of its proper divisors (20123362711).

155412670564601 is an equidigital number, since it uses as much as digits as its factorization.

155412670564601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20123362710.

The product of its (nonzero) digits is 6048000, while the sum is 53.

The spelling of 155412670564601 in words is "one hundred fifty-five trillion, four hundred twelve billion, six hundred seventy million, five hundred sixty-four thousand, six hundred one".