1130985917490 has 128 divisors (see below), whose sum is σ = 3201613599744. Its totient is φ = 252079200000.

The previous prime is 1130985917461. The next prime is 1130985917527. The reversal of 1130985917490 is 947195890311.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1130985917490.

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, 551625 + ... + 1601955.

It is an arithmetic number, because the mean of its divisors is an integer number (25012606248).

Almost surely, 2^{1130985917490} is an apocalyptic number.

1130985917490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130985917490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600806799872).

1130985917490 is an abundant number, since it is smaller than the sum of its proper divisors (2070627682254).

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

1130985917490 is a wasteful number, since it uses less digits than its factorization.

1130985917490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050616.

The product of its (nonzero) digits is 2449440, while the sum is 57.

The spelling of 1130985917490 in words is "one trillion, one hundred thirty billion, nine hundred eighty-five million, nine hundred seventeen thousand, four hundred ninety".