82521555763115 has 32 divisors (see below), whose sum is σ = 113343493570560. Its totient is φ = 56500683120000.

The previous prime is 82521555763081. The next prime is 82521555763201. The reversal of 82521555763115 is 51136755512528.

It is not a de Polignac number, because 82521555763115 - 2¹⁶ = 82521555697579 is a prime.

It is a super-3 number, since 3×82521555763115³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406907990 + ... + 407110740.

It is an arithmetic number, because the mean of its divisors is an integer number (3541984174080).

Almost surely, 2^{82521555763115} is an apocalyptic number.

82521555763115 is a deficient number, since it is larger than the sum of its proper divisors (30821937807445).

82521555763115 is a wasteful number, since it uses less digits than its factorization.

82521555763115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220283.

The product of its digits is 12600000, while the sum is 56.

The spelling of 82521555763115 in words is "eighty-two trillion, five hundred twenty-one billion, five hundred fifty-five million, seven hundred sixty-three thousand, one hundred fifteen".