155355314540355 has 24 divisors (see below), whose sum is σ = 269307885502032. Its totient is φ = 82848370739904.

The previous prime is 155355314540323. The next prime is 155355314540359. The reversal of 155355314540355 is 553045413553551.

It is a happy number.

155355314540355 is a `hidden beast` number, since 1 + 5 + 5 + 3 + 5 + 53 + 14 + 540 + 35 + 5 = 666.

It is not a de Polignac number, because 155355314540355 - 2⁵ = 155355314540323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155355314540359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161954284 + ... + 162910713.

It is an arithmetic number, because the mean of its divisors is an integer number (11221161895918).

Almost surely, 2^{155355314540355} is an apocalyptic number.

155355314540355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155355314540355 is a deficient number, since it is larger than the sum of its proper divisors (113952570961677).

155355314540355 is a wasteful number, since it uses less digits than its factorization.

155355314540355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324875635 (or 324875632 counting only the distinct ones).

The product of its (nonzero) digits is 33750000, while the sum is 54.

The spelling of 155355314540355 in words is "one hundred fifty-five trillion, three hundred fifty-five billion, three hundred fourteen million, five hundred forty thousand, three hundred fifty-five".