1150554425646 has 16 divisors (see below), whose sum is σ = 2363300982864. Its totient is φ = 373152786624.

The previous prime is 1150554425639. The next prime is 1150554425737. The reversal of 1150554425646 is 6465244550511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1150554425595 and 1150554425604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2591338575 + ... + 2591339018.

It is an arithmetic number, because the mean of its divisors is an integer number (147706311429).

Almost surely, 2^{1150554425646} is an apocalyptic number.

1150554425646 is an abundant number, since it is smaller than the sum of its proper divisors (1212746557218).

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

1150554425646 is a wasteful number, since it uses less digits than its factorization.

1150554425646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182677635.

The product of its (nonzero) digits is 2880000, while the sum is 48.

It can be divided in two parts, 1150554 and 425646, that added together give a triangular number (1576200 = T₁₇₇₅).

The spelling of 1150554425646 in words is "one trillion, one hundred fifty billion, five hundred fifty-four million, four hundred twenty-five thousand, six hundred forty-six".