1146555580 has 12 divisors (see below), whose sum is σ = 2407766760. Its totient is φ = 458622224.

The previous prime is 1146555559. The next prime is 1146555581. The reversal of 1146555580 is 855556411.

It is a super-3 number, since 3×1146555580³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146555581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28663870 + ... + 28663909.

It is an arithmetic number, because the mean of its divisors is an integer number (200647230).

Almost surely, 2^1146555580 is an apocalyptic number.

1146555580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1146555580 is an abundant number, since it is smaller than the sum of its proper divisors (1261211180).

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

1146555580 is a wasteful number, since it uses less digits than its factorization.

1146555580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57327788 (or 57327786 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 40.

The square root of 1146555580 is about 33860.8266290119. The cubic root of 1146555580 is about 1046.6425120980.

The spelling of 1146555580 in words is "one billion, one hundred forty-six million, five hundred fifty-five thousand, five hundred eighty".