1155404450532 has 12 divisors (see below), whose sum is σ = 2695943717936. Its totient is φ = 385134816840.

The previous prime is 1155404450521. The next prime is 1155404450537. The reversal of 1155404450532 is 2350544045511.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1155404450537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48141852094 + ... + 48141852117.

Almost surely, 2^{1155404450532} is an apocalyptic number.

1155404450532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1155404450532 is an abundant number, since it is smaller than the sum of its proper divisors (1540539267404).

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

1155404450532 is a wasteful number, since it uses less digits than its factorization.

1155404450532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96283704218 (or 96283704216 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 1155404450532 in words is "one trillion, one hundred fifty-five billion, four hundred four million, four hundred fifty thousand, five hundred thirty-two".