85148356261 has 8 divisors (see below), whose sum is σ = 86654975040. Its totient is φ = 83643851808.

The previous prime is 85148356259. The next prime is 85148356277. The reversal of 85148356261 is 16265384158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85148356261 - 2¹ = 85148356259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85148356291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447216 + ... + 608521.

It is an arithmetic number, because the mean of its divisors is an integer number (10831871880).

Almost surely, 2^85148356261 is an apocalyptic number.

It is an amenable number.

85148356261 is a deficient number, since it is larger than the sum of its proper divisors (1506618779).

85148356261 is a wasteful number, since it uses less digits than its factorization.

85148356261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057163.

The product of its digits is 1382400, while the sum is 49.

The spelling of 85148356261 in words is "eighty-five billion, one hundred forty-eight million, three hundred fifty-six thousand, two hundred sixty-one".