1155225350472 has 32 divisors (see below), whose sum is σ = 2949511536000. Its totient is φ = 376882028864.

The previous prime is 1155225350467. The next prime is 1155225350479. The reversal of 1155225350472 is 2740535225511.

It is a happy number.

It is a super-2 number, since 2×1155225350472² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1155225350479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512066847 + ... + 512069102.

It is an arithmetic number, because the mean of its divisors is an integer number (92172235500).

Almost surely, 2^{1155225350472} is an apocalyptic number.

1155225350472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1155225350472 is an abundant number, since it is smaller than the sum of its proper divisors (1794286185528).

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

1155225350472 is a wasteful number, since it uses less digits than its factorization.

1155225350472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024136005 (or 1024136001 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 1155225350472 in words is "one trillion, one hundred fifty-five billion, two hundred twenty-five million, three hundred fifty thousand, four hundred seventy-two".