10531540377 has 80 divisors (see below), whose sum is σ = 16411108032. Its totient is φ = 6726844800.

The previous prime is 10531540373. The next prime is 10531540417. The reversal of 10531540377 is 77304513501.

10531540377 is a `hidden beast` number, since 1 + 0 + 531 + 54 + 0 + 3 + 77 = 666.

It is not a de Polignac number, because 10531540377 - 2² = 10531540373 is a prime.

It is a super-2 number, since 2×10531540377² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10531540373) 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 79 ways as a sum of consecutive naturals, for example, 46394338 + ... + 46394564.

Almost surely, 2^10531540377 is an apocalyptic number.

It is an amenable number.

10531540377 is a deficient number, since it is larger than the sum of its proper divisors (5879567655).

10531540377 is a wasteful number, since it uses less digits than its factorization.

10531540377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The spelling of 10531540377 in words is "ten billion, five hundred thirty-one million, five hundred forty thousand, three hundred seventy-seven".