155065600506011 has 8 divisors (see below), whose sum is σ = 166993851247440. Its totient is φ = 143137367996832.

The previous prime is 155065600505993. The next prime is 155065600506097. The reversal of 155065600506011 is 110605006560551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155065600506011 - 2⁴² = 150667553994907 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 155065600506011.

It is not an unprimeable number, because it can be changed into a prime (155065600506611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16819721 + ... + 24352293.

It is an arithmetic number, because the mean of its divisors is an integer number (20874231405930).

Almost surely, 2^{155065600506011} is an apocalyptic number.

155065600506011 is a deficient number, since it is larger than the sum of its proper divisors (11928250741429).

155065600506011 is a wasteful number, since it uses less digits than its factorization.

155065600506011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9116125.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 155065600506011 in words is "one hundred fifty-five trillion, sixty-five billion, six hundred million, five hundred six thousand, eleven".