155130064461 has 12 divisors (see below), whose sum is σ = 232375899392. Its totient is φ = 103420042812.

The previous prime is 155130064457. The next prime is 155130064483. The reversal of 155130064461 is 164460031551.

155130064461 is a `hidden beast` number, since 1 + 5 + 5 + 1 + 3 + 0 + 0 + 644 + 6 + 1 = 666.

It is not a de Polignac number, because 155130064461 - 2² = 155130064457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155130064451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319197421 + ... + 319197906.

Almost surely, 2^155130064461 is an apocalyptic number.

It is an amenable number.

155130064461 is a deficient number, since it is larger than the sum of its proper divisors (77245834931).

155130064461 is an frugal number, since it uses more digits than its factorization.

155130064461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638395342 (or 638395330 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 155130064461 in words is "one hundred fifty-five billion, one hundred thirty million, sixty-four thousand, four hundred sixty-one".