2451555043126 has 48 divisors (see below), whose sum is σ = 4481610550272. Its totient is φ = 1001598166800.

The previous prime is 2451555043117. The next prime is 2451555043129. The reversal of 2451555043126 is 6213405551542.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451555043129) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5818570 + ... + 6225661.

It is an arithmetic number, because the mean of its divisors is an integer number (93366886464).

Almost surely, 2^{2451555043126} is an apocalyptic number.

2451555043126 is a deficient number, since it is larger than the sum of its proper divisors (2030055507146).

2451555043126 is a wasteful number, since it uses less digits than its factorization.

2451555043126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12044345 (or 12044338 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 2451555043126 in words is "two trillion, four hundred fifty-one billion, five hundred fifty-five million, forty-three thousand, one hundred twenty-six".