13610861355 has 128 divisors (see below), whose sum is σ = 27306639360. Its totient is φ = 5636666880.

The previous prime is 13610861339. The next prime is 13610861401. The reversal of 13610861355 is 55316801631.

It is not a de Polignac number, because 13610861355 - 2⁴ = 13610861339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18417576 + ... + 18418314.

It is an arithmetic number, because the mean of its divisors is an integer number (213333120).

Almost surely, 2^13610861355 is an apocalyptic number.

13610861355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13610861355 is an abundant number, since it is smaller than the sum of its proper divisors (13695778005).

13610861355 is a wasteful number, since it uses less digits than its factorization.

13610861355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 13610861355 in words is "thirteen billion, six hundred ten million, eight hundred sixty-one thousand, three hundred fifty-five".