100782469251 has 12 divisors (see below), whose sum is σ = 146210378080. Its totient is φ = 66894912720.

The previous prime is 100782469243. The next prime is 100782469273. The reversal of 100782469251 is 152964287001.

100782469251 is a `hidden beast` number, since 100 + 7 + 82 + 469 + 2 + 5 + 1 = 666.

It is not a de Polignac number, because 100782469251 - 2³ = 100782469243 is a prime.

It is a super-2 number, since 2×100782469251² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100782469197 and 100782469206.

It is not an unprimeable number, because it can be changed into a prime (100782469651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24447835 + ... + 24451956.

Almost surely, 2^100782469251 is an apocalyptic number.

100782469251 is a deficient number, since it is larger than the sum of its proper divisors (45427908829).

100782469251 is a wasteful number, since it uses less digits than its factorization.

100782469251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48900026 (or 48900023 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 100782469251 in words is "one hundred billion, seven hundred eighty-two million, four hundred sixty-nine thousand, two hundred fifty-one".