1155620006 has 4 divisors (see below), whose sum is σ = 1733430012. Its totient is φ = 577810002.

The previous prime is 1155619991. The next prime is 1155620023. The reversal of 1155620006 is 6000265511.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288905000 + ... + 288905003.

It is an arithmetic number, because the mean of its divisors is an integer number (433357503).

Almost surely, 2^1155620006 is an apocalyptic number.

1155620006 is a deficient number, since it is larger than the sum of its proper divisors (577810006).

1155620006 is an equidigital number, since it uses as much as digits as its factorization.

1155620006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577810005.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1155620006 is about 33994.4113936394. The cubic root of 1155620006 is about 1049.3934534670.

Adding to 1155620006 its reverse (6000265511), we get a palindrome (7155885517).

The spelling of 1155620006 in words is "one billion, one hundred fifty-five million, six hundred twenty thousand, six".