980790501155 has 4 divisors (see below), whose sum is σ = 1176948601392. Its totient is φ = 784632400920.

The previous prime is 980790501151. The next prime is 980790501239. The reversal of 980790501155 is 551105097089.

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

It is not a de Polignac number, because 980790501155 - 2² = 980790501151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980790501151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98079050111 + ... + 98079050120.

It is an arithmetic number, because the mean of its divisors is an integer number (294237150348).

Almost surely, 2^980790501155 is an apocalyptic number.

980790501155 is a deficient number, since it is larger than the sum of its proper divisors (196158100237).

980790501155 is a wasteful number, since it uses less digits than its factorization.

980790501155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196158100236.

The product of its (nonzero) digits is 567000, while the sum is 50.

The spelling of 980790501155 in words is "nine hundred eighty billion, seven hundred ninety million, five hundred one thousand, one hundred fifty-five".