1126252425555 has 192 divisors, whose sum is σ = 2118243778560. Its totient is φ = 552409804800.

The previous prime is 1126252425553. The next prime is 1126252425559. The reversal of 1126252425555 is 5555242526211.

1126252425555 is a `hidden beast` number, since 1 + 1 + 2 + 6 + 2 + 52 + 42 + 5 + 555 = 666.

It is not a de Polignac number, because 1126252425555 - 2¹ = 1126252425553 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1126252425555.

It is not an unprimeable number, because it can be changed into a prime (1126252425553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 642470559 + ... + 642472311.

It is an arithmetic number, because the mean of its divisors is an integer number (11032519680).

Almost surely, 2^{1126252425555} is an apocalyptic number.

1126252425555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1126252425555 is a deficient number, since it is larger than the sum of its proper divisors (991991353005).

1126252425555 is a wasteful number, since it uses less digits than its factorization.

1126252425555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122 (or 2119 counting only the distinct ones).

The product of its digits is 1200000, while the sum is 45.

The spelling of 1126252425555 in words is "one trillion, one hundred twenty-six billion, two hundred fifty-two million, four hundred twenty-five thousand, five hundred fifty-five".