85154457119 has 4 divisors (see below), whose sum is σ = 85468680480. Its totient is φ = 84840233760.

The previous prime is 85154457107. The next prime is 85154457131. The reversal of 85154457119 is 91175445158.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (85154457107) and next prime (85154457131).

It is a cyclic number.

It is not a de Polignac number, because 85154457119 - 2¹⁶ = 85154391583 is a prime.

It is a super-2 number, since 2×85154457119² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85154457419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157111274 + ... + 157111815.

It is an arithmetic number, because the mean of its divisors is an integer number (21367170120).

Almost surely, 2^85154457119 is an apocalyptic number.

85154457119 is a deficient number, since it is larger than the sum of its proper divisors (314223361).

85154457119 is a wasteful number, since it uses less digits than its factorization.

85154457119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314223360.

The product of its digits is 1008000, while the sum is 50.

The spelling of 85154457119 in words is "eighty-five billion, one hundred fifty-four million, four hundred fifty-seven thousand, one hundred nineteen".