82965121503 has 64 divisors (see below), whose sum is σ = 124048972800. Its totient is φ = 48896040960.

The previous prime is 82965121493. The next prime is 82965121513. The reversal of 82965121503 is 30512156928.

It is an interprime number because it is at equal distance from previous prime (82965121493) and next prime (82965121513).

It is not a de Polignac number, because 82965121503 - 2⁴ = 82965121487 is a prime.

It is a super-2 number, since 2×82965121503² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82965121513) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143786751 + ... + 143787327.

It is an arithmetic number, because the mean of its divisors is an integer number (1938265200).

Almost surely, 2^82965121503 is an apocalyptic number.

82965121503 is a deficient number, since it is larger than the sum of its proper divisors (41083851297).

82965121503 is a wasteful number, since it uses less digits than its factorization.

82965121503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 82965121503 in words is "eighty-two billion, nine hundred sixty-five million, one hundred twenty-one thousand, five hundred three".