155220986294 has 16 divisors (see below), whose sum is σ = 254347382016. Its totient is φ = 70457937000.

The previous prime is 155220986281. The next prime is 155220986299. The reversal of 155220986294 is 492689022551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155220986299) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4836482 + ... + 4868469.

It is an arithmetic number, because the mean of its divisors is an integer number (15896711376).

Almost surely, 2^155220986294 is an apocalyptic number.

155220986294 is a deficient number, since it is larger than the sum of its proper divisors (99126395722).

155220986294 is a wasteful number, since it uses less digits than its factorization.

155220986294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9705691.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 155220986294 in words is "one hundred fifty-five billion, two hundred twenty million, nine hundred eighty-six thousand, two hundred ninety-four".