1255435432195 has 32 divisors (see below), whose sum is σ = 1765085769216. Its totient is φ = 839229331200.

The previous prime is 1255435432193. The next prime is 1255435432201. The reversal of 1255435432195 is 5912345345521.

It is not a de Polignac number, because 1255435432195 - 2¹ = 1255435432193 is a prime.

It is a super-2 number, since 2×1255435432195² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1255435432193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1540860 + ... + 2210230.

It is an arithmetic number, because the mean of its divisors is an integer number (55158930288).

Almost surely, 2^{1255435432195} is an apocalyptic number.

1255435432195 is a deficient number, since it is larger than the sum of its proper divisors (509650337021).

1255435432195 is a wasteful number, since it uses less digits than its factorization.

1255435432195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670731.

The product of its digits is 3240000, while the sum is 49.

The spelling of 1255435432195 in words is "one trillion, two hundred fifty-five billion, four hundred thirty-five million, four hundred thirty-two thousand, one hundred ninety-five".