1405102155255 has 16 divisors (see below), whose sum is σ = 2497959387360. Its totient is φ = 749387816064.

The previous prime is 1405102155251. The next prime is 1405102155257. The reversal of 1405102155255 is 5525512015041.

1405102155255 is a `hidden beast` number, since 1 + 4 + 0 + 51 + 0 + 2 + 1 + 552 + 55 = 666.

It is not a de Polignac number, because 1405102155255 - 2² = 1405102155251 is a prime.

It is a super-2 number, since 2×1405102155255² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405102155251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5204081922 + ... + 5204082191.

It is an arithmetic number, because the mean of its divisors is an integer number (156122461710).

Almost surely, 2^{1405102155255} is an apocalyptic number.

1405102155255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1405102155255 is a deficient number, since it is larger than the sum of its proper divisors (1092857232105).

1405102155255 is a wasteful number, since it uses less digits than its factorization.

1405102155255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10408164127 (or 10408164121 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

The spelling of 1405102155255 in words is "one trillion, four hundred five billion, one hundred two million, one hundred fifty-five thousand, two hundred fifty-five".