155011236056545 has 8 divisors (see below), whose sum is σ = 202923799928640. Its totient is φ = 112735444404720.

The previous prime is 155011236056527. The next prime is 155011236056587. The reversal of 155011236056545 is 545650632110551.

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

It is a de Polignac number, because none of the positive numbers 2^k-155011236056545 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1409193055005 + ... + 1409193055114.

It is an arithmetic number, because the mean of its divisors is an integer number (25365474991080).

Almost surely, 2^{155011236056545} is an apocalyptic number.

It is an amenable number.

155011236056545 is a deficient number, since it is larger than the sum of its proper divisors (47912563872095).

155011236056545 is a wasteful number, since it uses less digits than its factorization.

155011236056545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818386110135.

The product of its (nonzero) digits is 2700000, while the sum is 49.

The spelling of 155011236056545 in words is "one hundred fifty-five trillion, eleven billion, two hundred thirty-six million, fifty-six thousand, five hundred forty-five".