155382887011 has 12 divisors (see below), whose sum is σ = 170802812376. Its totient is φ = 141248856320.

The previous prime is 155382886999. The next prime is 155382887063. The reversal of 155382887011 is 110788283551.

It is not a de Polignac number, because 155382887011 - 2¹⁵ = 155382854243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155382887071) 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 11 ways as a sum of consecutive naturals, for example, 3096060 + ... + 3145846.

It is an arithmetic number, because the mean of its divisors is an integer number (14233567698).

Almost surely, 2^155382887011 is an apocalyptic number.

155382887011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

155382887011 is a deficient number, since it is larger than the sum of its proper divisors (15419925365).

155382887011 is a wasteful number, since it uses less digits than its factorization.

155382887011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75602 (or 75591 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 49.

The spelling of 155382887011 in words is "one hundred fifty-five billion, three hundred eighty-two million, eight hundred eighty-seven thousand, eleven".