155680120132202 has 4 divisors (see below), whose sum is σ = 233520180198306. Its totient is φ = 77840060066100.

The previous prime is 155680120132127. The next prime is 155680120132223. The reversal of 155680120132202 is 202231021086551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 153609971814601 + 2070148317601 = 12393949^2 + 1438801^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38920030033049 + ... + 38920030033052.

Almost surely, 2^{155680120132202} is an apocalyptic number.

155680120132202 is a deficient number, since it is larger than the sum of its proper divisors (77840060066104).

155680120132202 is an equidigital number, since it uses as much as digits as its factorization.

155680120132202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77840060066103.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 155680120132202 in words is "one hundred fifty-five trillion, six hundred eighty billion, one hundred twenty million, one hundred thirty-two thousand, two hundred two".