855180329951 has 8 divisors (see below), whose sum is σ = 860342993760. Its totient is φ = 850033147392.

The previous prime is 855180329921. The next prime is 855180329959. The reversal of 855180329951 is 159923081558.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-855180329951 is a prime.

It is a super-4 number, since 4×855180329951⁴ (a number of 49 digits) contains 4444 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 (855180329959) 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, 3759491 + ... + 3980468.

It is an arithmetic number, because the mean of its divisors is an integer number (107542874220).

Almost surely, 2^855180329951 is an apocalyptic number.

855180329951 is a deficient number, since it is larger than the sum of its proper divisors (5162663809).

855180329951 is a wasteful number, since it uses less digits than its factorization.

855180329951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740625.

The product of its (nonzero) digits is 3888000, while the sum is 56.

The spelling of 855180329951 in words is "eight hundred fifty-five billion, one hundred eighty million, three hundred twenty-nine thousand, nine hundred fifty-one".