100484780553 has 16 divisors (see below), whose sum is σ = 149026622400. Its totient is φ = 66917727360.

The previous prime is 100484780533. The next prime is 100484780579. The reversal of 100484780553 is 355087484001.

100484780553 is a `hidden beast` number, since 10 + 0 + 4 + 8 + 4 + 7 + 80 + 553 = 666.

It is not a de Polignac number, because 100484780553 - 2²⁰ = 100483731977 is a prime.

It is a super-2 number, since 2×100484780553² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100484780499 and 100484780508.

It is not an unprimeable number, because it can be changed into a prime (100484780533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1977963 + ... + 2028128.

It is an arithmetic number, because the mean of its divisors is an integer number (9314163900).

Almost surely, 2^100484780553 is an apocalyptic number.

It is an amenable number.

100484780553 is a deficient number, since it is larger than the sum of its proper divisors (48541841847).

100484780553 is an equidigital number, since it uses as much as digits as its factorization.

100484780553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007029 (or 4007023 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 100484780553 in words is "one hundred billion, four hundred eighty-four million, seven hundred eighty thousand, five hundred fifty-three".