1151213630 has 32 divisors (see below), whose sum is σ = 2423291904. Its totient is φ = 385521696.

The previous prime is 1151213627. The next prime is 1151213653. The reversal of 1151213630 is 363121511.

It is a junction number, because it is equal to n+sod(n) for n = 1151213596 and 1151213605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188222 + ... + 194241.

It is an arithmetic number, because the mean of its divisors is an integer number (75727872).

Almost surely, 2^1151213630 is an apocalyptic number.

1151213630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151213630 is an abundant number, since it is smaller than the sum of its proper divisors (1272078274).

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

1151213630 is a wasteful number, since it uses less digits than its factorization.

1151213630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382520.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1151213630 is about 33929.5391952204. The cubic root of 1151213630 is about 1048.0579764898.

The spelling of 1151213630 in words is "one billion, one hundred fifty-one million, two hundred thirteen thousand, six hundred thirty".