1115619480 has 80 divisors (see below), whose sum is σ = 3749731920. Its totient is φ = 297497664.

The previous prime is 1115619443. The next prime is 1115619481. The reversal of 1115619480 is 849165111.

It is a happy number.

1115619480 is a `hidden beast` number, since 1 + 1 + 1 + 561 + 94 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115619481) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 168924 + ... + 175403.

It is an arithmetic number, because the mean of its divisors is an integer number (46871649).

Almost surely, 2^1115619480 is an apocalyptic number.

1115619480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115619480 is an abundant number, since it is smaller than the sum of its proper divisors (2634112440).

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

1115619480 is a wasteful number, since it uses less digits than its factorization.

1115619480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344350 (or 344337 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

The square root of 1115619480 is about 33400.8904072930. The cubic root of 1115619480 is about 1037.1431332754.

The spelling of 1115619480 in words is "one billion, one hundred fifteen million, six hundred nineteen thousand, four hundred eighty".