1151703630 has 256 divisors, whose sum is σ = 3954769920. Its totient is φ = 231465600.

The previous prime is 1151703629. The next prime is 1151703647. The reversal of 1151703630 is 363071511.

1151703630 is a `hidden beast` number, since 1 + 15 + 17 + 0 + 3 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1151703594 and 1151703603.

It is a congruent number.

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, 643597 + ... + 645383.

It is an arithmetic number, because the mean of its divisors is an integer number (15448320).

Almost surely, 2^1151703630 is an apocalyptic number.

1151703630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151703630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1977384960).

1151703630 is an abundant number, since it is smaller than the sum of its proper divisors (2803066290).

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

1151703630 is a wasteful number, since it uses less digits than its factorization.

1151703630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852 (or 1846 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1151703630 is about 33936.7592736843. The cubic root of 1151703630 is about 1048.2066530836.

The spelling of 1151703630 in words is "one billion, one hundred fifty-one million, seven hundred three thousand, six hundred thirty".