1121451526356 has 36 divisors (see below), whose sum is σ = 3043939858848. Its totient is φ = 320414721648.

The previous prime is 1121451526337. The next prime is 1121451526357. The reversal of 1121451526356 is 6536251541211.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121451526357) 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 11 ways as a sum of consecutive naturals, for example, 953614656 + ... + 953615831.

It is an arithmetic number, because the mean of its divisors is an integer number (84553884968).

Almost surely, 2^{1121451526356} is an apocalyptic number.

It is an amenable number.

1121451526356 is an abundant number, since it is smaller than the sum of its proper divisors (1922488332492).

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

1121451526356 is a wasteful number, since it uses less digits than its factorization.

1121451526356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907230508 (or 1907230499 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The spelling of 1121451526356 in words is "one trillion, one hundred twenty-one billion, four hundred fifty-one million, five hundred twenty-six thousand, three hundred fifty-six".