1431155312055 has 96 divisors (see below), whose sum is σ = 2891806654464. Its totient is φ = 641269052928.

The previous prime is 1431155312039. The next prime is 1431155312071. The reversal of 1431155312055 is 5502135511341.

1431155312055 is a `hidden beast` number, since 1 + 4 + 3 + 115 + 531 + 2 + 0 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1431155312039) and next prime (1431155312071).

It is not a de Polignac number, because 1431155312055 - 2⁴ = 1431155312039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3104907 + ... + 3535923.

It is an arithmetic number, because the mean of its divisors is an integer number (30122985984).

Almost surely, 2^{1431155312055} is an apocalyptic number.

1431155312055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1431155312055 is an abundant number, since it is smaller than the sum of its proper divisors (1460651342409).

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

1431155312055 is a wasteful number, since it uses less digits than its factorization.

1431155312055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431245 (or 431242 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 1431155312055 in words is "one trillion, four hundred thirty-one billion, one hundred fifty-five million, three hundred twelve thousand, fifty-five".