1461081354250 has 128 divisors (see below), whose sum is σ = 3264783874560. Its totient is φ = 479140876800.

The previous prime is 1461081354247. The next prime is 1461081354347. The reversal of 1461081354250 is 524531801641.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 3629022 + ... + 4011478.

It is an arithmetic number, because the mean of its divisors is an integer number (25506124020).

Almost surely, 2^{1461081354250} is an apocalyptic number.

1461081354250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1461081354250 is an abundant number, since it is smaller than the sum of its proper divisors (1803702520310).

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

1461081354250 is a wasteful number, since it uses less digits than its factorization.

1461081354250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382577 (or 382567 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 1461081354250 in words is "one trillion, four hundred sixty-one billion, eighty-one million, three hundred fifty-four thousand, two hundred fifty".