2087451111744 has 168 divisors, whose sum is σ = 6094875239232. Its totient is φ = 682961448960.

The previous prime is 2087451111731. The next prime is 2087451111763. The reversal of 2087451111744 is 4471111547802.

2087451111744 is a `hidden beast` number, since 2 + 0 + 87 + 4 + 511 + 1 + 17 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2087451111744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6548379 + ... + 6859749.

Almost surely, 2^{2087451111744} is an apocalyptic number.

2087451111744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2087451111744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3047437619616).

2087451111744 is an abundant number, since it is smaller than the sum of its proper divisors (4007424127488).

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

2087451111744 is a wasteful number, since it uses less digits than its factorization.

2087451111744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311605 (or 311592 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The spelling of 2087451111744 in words is "two trillion, eighty-seven billion, four hundred fifty-one million, one hundred eleven thousand, seven hundred forty-four".