1187487329280 has 1408 divisors, whose sum is σ = 4998510673920. Its totient is φ = 233994977280.

The previous prime is 1187487329267. The next prime is 1187487329293. The reversal of 1187487329280 is 829237847811.

It is an interprime number because it is at equal distance from previous prime (1187487329267) and next prime (1187487329293).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1076597209 + ... + 1076598311.

Almost surely, 2^{1187487329280} is an apocalyptic number.

1187487329280 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 1187487329280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2499255336960).

1187487329280 is an abundant number, since it is smaller than the sum of its proper divisors (3811023344640).

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

1187487329280 is a wasteful number, since it uses less digits than its factorization.

1187487329280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 60.

The spelling of 1187487329280 in words is "one trillion, one hundred eighty-seven billion, four hundred eighty-seven million, three hundred twenty-nine thousand, two hundred eighty".