1141521776640 has 672 divisors, whose sum is σ = 4690104269760. Its totient is φ = 260919263232.

The previous prime is 1141521776579. The next prime is 1141521776653. The reversal of 1141521776640 is 466771251411.

It is a Jordan-Polya number, since it can be written as 9! ⋅ 4! ⋅ (2!)¹⁷.

1141521776640 is a `hidden beast` number, since 1 + 1 + 415 + 2 + 177 + 6 + 64 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 163074539517 + ... + 163074539523.

It is an arithmetic number, because the mean of its divisors is an integer number (6979321830).

Almost surely, 2^{1141521776640} is an apocalyptic number.

1141521776640 is a gapful number since it is divisible by the number (10) 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 1141521776640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2345052134880).

1141521776640 is an abundant number, since it is smaller than the sum of its proper divisors (3548582493120).

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

1141521776640 is an frugal number, since it uses more digits than its factorization.

1141521776640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 1141521776640 in words is "one trillion, one hundred forty-one billion, five hundred twenty-one million, seven hundred seventy-six thousand, six hundred forty".