155206070022 has 16 divisors (see below), whose sum is σ = 311566091760. Its totient is φ = 51543031392.

The previous prime is 155206070011. The next prime is 155206070029. The reversal of 155206070022 is 220070602551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155206070029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48079573 + ... + 48082800.

It is an arithmetic number, because the mean of its divisors is an integer number (19472880735).

Almost surely, 2^155206070022 is an apocalyptic number.

155206070022 is an abundant number, since it is smaller than the sum of its proper divisors (156360021738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155206070022 is a wasteful number, since it uses less digits than its factorization.

155206070022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96162647.

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 155206070022 its reverse (220070602551), we get a palindrome (375276672573).

The spelling of 155206070022 in words is "one hundred fifty-five billion, two hundred six million, seventy thousand, twenty-two".