1155292460280 has 256 divisors, whose sum is σ = 4455451238400. Its totient is φ = 264066708096.

The previous prime is 1155292460237. The next prime is 1155292460293. The reversal of 1155292460280 is 820642925511.

1155292460280 is a `hidden beast` number, since 1 + 1 + 5 + 529 + 2 + 46 + 0 + 2 + 80 = 666.

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 63 ways as a sum of consecutive naturals, for example, 330952 + ... + 1555671.

It is an arithmetic number, because the mean of its divisors is an integer number (17404106400).

Almost surely, 2^{1155292460280} is an apocalyptic number.

1155292460280 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 1155292460280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2227725619200).

1155292460280 is an abundant number, since it is smaller than the sum of its proper divisors (3300158778120).

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

1155292460280 is an equidigital number, since it uses as much as digits as its factorization.

1155292460280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886662 (or 1886640 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 1155292460280 in words is "one trillion, one hundred fifty-five billion, two hundred ninety-two million, four hundred sixty thousand, two hundred eighty".