155220986348 has 12 divisors (see below), whose sum is σ = 275075166240. Its totient is φ = 76628081712.

The previous prime is 155220986309. The next prime is 155220986363. The reversal of 155220986348 is 843689022551.

It is a happy number.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 155220986348.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 245602511 + ... + 245603142.

It is an arithmetic number, because the mean of its divisors is an integer number (22922930520).

Almost surely, 2^155220986348 is an apocalyptic number.

It is an amenable number.

155220986348 is a deficient number, since it is larger than the sum of its proper divisors (119854179892).

155220986348 is a wasteful number, since it uses less digits than its factorization.

155220986348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491205736 (or 491205734 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 155220986348 in words is "one hundred fifty-five billion, two hundred twenty million, nine hundred eighty-six thousand, three hundred forty-eight".