1156267350225 has 192 divisors, whose sum is σ = 2353104947200. Its totient is φ = 552963179520.

The previous prime is 1156267350221. The next prime is 1156267350229. The reversal of 1156267350225 is 5220537626511.

It is a happy number.

1156267350225 is a `hidden beast` number, since 1 + 1 + 5 + 62 + 67 + 3 + 502 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (1156267350221) and next prime (1156267350229).

It is not a de Polignac number, because 1156267350225 - 2² = 1156267350221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1156267350221) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 230192064 + ... + 230197086.

Almost surely, 2^{1156267350225} is an apocalyptic number.

1156267350225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1156267350225 is an abundant number, since it is smaller than the sum of its proper divisors (1196837596975).

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

1156267350225 is a wasteful number, since it uses less digits than its factorization.

1156267350225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5801 (or 5790 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 1156267350225 in words is "one trillion, one hundred fifty-six billion, two hundred sixty-seven million, three hundred fifty thousand, two hundred twenty-five".