980155938100 has 18 divisors (see below), whose sum is σ = 2126938385894. Its totient is φ = 392062375200.

The previous prime is 980155938077. The next prime is 980155938119. The reversal of 980155938100 is 1839551089.

980155938100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 68046896164 + 912109041936 = 260858^2 + 955044^2 .

It is a super-2 number, since 2×980155938100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4900779591 + ... + 4900779790.

Almost surely, 2^980155938100 is an apocalyptic number.

It is an amenable number.

980155938100 is an abundant number, since it is smaller than the sum of its proper divisors (1146782447794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

980155938100 is a wasteful number, since it uses less digits than its factorization.

980155938100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9801559395 (or 9801559388 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 49.

The spelling of 980155938100 in words is "nine hundred eighty billion, one hundred fifty-five million, nine hundred thirty-eight thousand, one hundred".