155055620461326 has 32 divisors (see below), whose sum is σ = 333967606156800. Its totient is φ = 47709185338464.

The previous prime is 155055620461223. The next prime is 155055620461327. The reversal of 155055620461326 is 623164026550551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155055620461327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11261575 + ... + 20902973.

It is an arithmetic number, because the mean of its divisors is an integer number (10436487692400).

Almost surely, 2^{155055620461326} is an apocalyptic number.

155055620461326 is an abundant number, since it is smaller than the sum of its proper divisors (178911985695474).

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

155055620461326 is a wasteful number, since it uses less digits than its factorization.

155055620461326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9847600.

The product of its (nonzero) digits is 6480000, while the sum is 51.

The spelling of 155055620461326 in words is "one hundred fifty-five trillion, fifty-five billion, six hundred twenty million, four hundred sixty-one thousand, three hundred twenty-six".