13037985855 has 64 divisors (see below), whose sum is σ = 23792227200. Its totient is φ = 6770211840.

The previous prime is 13037985823. The next prime is 13037985871. The reversal of 13037985855 is 55858973031.

It is a Cunningham number, because it is equal to 114184²-1.

It is not a de Polignac number, because 13037985855 - 2⁵ = 13037985823 is a prime.

It is a super-3 number, since 3×13037985855³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3080881 + ... + 3085109.

It is an arithmetic number, because the mean of its divisors is an integer number (371753550).

Almost surely, 2^13037985855 is an apocalyptic number.

13037985855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13037985855 is a deficient number, since it is larger than the sum of its proper divisors (10754241345).

13037985855 is a wasteful number, since it uses less digits than its factorization.

13037985855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841 (or 4835 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 54.

The spelling of 13037985855 in words is "thirteen billion, thirty-seven million, nine hundred eighty-five thousand, eight hundred fifty-five".