83455782131511 has 12 divisors (see below), whose sum is σ = 126891832480920. Its totient is φ = 52708915030320.

The previous prime is 83455782131507. The next prime is 83455782131539. The reversal of 83455782131511 is 11513128755438.

83455782131511 is a `hidden beast` number, since 8 + 3 + 4 + 5 + 5 + 78 + 21 + 31 + 511 = 666.

It is not a de Polignac number, because 83455782131511 - 2² = 83455782131507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83455782139511) 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, 244022754600 + ... + 244022754941.

It is an arithmetic number, because the mean of its divisors is an integer number (10574319373410).

Almost surely, 2^{83455782131511} is an apocalyptic number.

83455782131511 is a deficient number, since it is larger than the sum of its proper divisors (43436050349409).

83455782131511 is a wasteful number, since it uses less digits than its factorization.

83455782131511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488045509566 (or 488045509563 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 54.

The spelling of 83455782131511 in words is "eighty-three trillion, four hundred fifty-five billion, seven hundred eighty-two million, one hundred thirty-one thousand, five hundred eleven".