155331042053 has 16 divisors (see below), whose sum is σ = 171340396416. Its totient is φ = 139638819840.

The previous prime is 155331042049. The next prime is 155331042073. The reversal of 155331042053 is 350240133551.

It is a cyclic number.

It is not a de Polignac number, because 155331042053 - 2² = 155331042049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155331042043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245425 + ... + 1364457.

It is an arithmetic number, because the mean of its divisors is an integer number (10708774776).

Almost surely, 2^155331042053 is an apocalyptic number.

It is an amenable number.

155331042053 is a deficient number, since it is larger than the sum of its proper divisors (16009354363).

155331042053 is a wasteful number, since it uses less digits than its factorization.

155331042053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120364.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 155331042053 in words is "one hundred fifty-five billion, three hundred thirty-one million, forty-two thousand, fifty-three".