155863413311 has 8 divisors (see below), whose sum is σ = 161942116800. Its totient is φ = 149831650080.

The previous prime is 155863413287. The next prime is 155863413313. The reversal of 155863413311 is 113314368551.

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 155863413311 - 2¹⁸ = 155863151167 is a prime.

It is a super-2 number, since 2×155863413311² (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 (155863413313) 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, 11728295 + ... + 11741576.

It is an arithmetic number, because the mean of its divisors is an integer number (20242764600).

Almost surely, 2^155863413311 is an apocalyptic number.

155863413311 is a deficient number, since it is larger than the sum of its proper divisors (6078703489).

155863413311 is a wasteful number, since it uses less digits than its factorization.

155863413311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23470129.

The product of its digits is 129600, while the sum is 41.

The spelling of 155863413311 in words is "one hundred fifty-five billion, eight hundred sixty-three million, four hundred thirteen thousand, three hundred eleven".