1235404412055 has 128 divisors (see below), whose sum is σ = 2522973312000. Its totient is φ = 567248002560.

The previous prime is 1235404412051. The next prime is 1235404412059. The reversal of 1235404412055 is 5502144045321.

1235404412055 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 4 + 0 + 441 + 205 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1235404412051) and next prime (1235404412059).

It is not a de Polignac number, because 1235404412055 - 2² = 1235404412051 is a prime.

It is a super-2 number, since 2×1235404412055² (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 (1235404412051) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 96291381 + ... + 96304209.

It is an arithmetic number, because the mean of its divisors is an integer number (19710729000).

Almost surely, 2^{1235404412055} is an apocalyptic number.

1235404412055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1235404412055 is an abundant number, since it is smaller than the sum of its proper divisors (1287568899945).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1235404412055 is a wasteful number, since it uses less digits than its factorization.

1235404412055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16286 (or 16280 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 1235404412055 its reverse (5502144045321), we get a palindrome (6737548457376).

The spelling of 1235404412055 in words is "one trillion, two hundred thirty-five billion, four hundred four million, four hundred twelve thousand, fifty-five".