85015253503 has 2 divisors, whose sum is σ = 85015253504. Its totient is φ = 85015253502.

The previous prime is 85015253497. The next prime is 85015253509. The reversal of 85015253503 is 30535251058.

It is a balanced prime because it is at equal distance from previous prime (85015253497) and next prime (85015253509).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85015253503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85015253509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42507626751 + 42507626752.

It is an arithmetic number, because the mean of its divisors is an integer number (42507626752).

Almost surely, 2^85015253503 is an apocalyptic number.

85015253503 is a deficient number, since it is larger than the sum of its proper divisors (1).

85015253503 is an equidigital number, since it uses as much as digits as its factorization.

85015253503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 85015253503 in words is "eighty-five billion, fifteen million, two hundred fifty-three thousand, five hundred three".