1151525634 has 32 divisors (see below), whose sum is σ = 2786887296. Its totient is φ = 309653760.

The previous prime is 1151525629. The next prime is 1151525653. The reversal of 1151525634 is 4365251511.

It is a super-2 number, since 2×1151525634² = 2652022571518203912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1151525595 and 1151525604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805677 + ... + 807104.

It is an arithmetic number, because the mean of its divisors is an integer number (87090228).

Almost surely, 2^1151525634 is an apocalyptic number.

1151525634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1151525634 is an abundant number, since it is smaller than the sum of its proper divisors (1635361662).

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

1151525634 is a wasteful number, since it uses less digits than its factorization.

1151525634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612810.

The product of its digits is 18000, while the sum is 33.

The square root of 1151525634 is about 33934.1367062726. The cubic root of 1151525634 is about 1048.1526501269.

It can be divided in two parts, 115152 and 5634, that added together give a triangular number (120786 = T₄₉₁).

The spelling of 1151525634 in words is "one billion, one hundred fifty-one million, five hundred twenty-five thousand, six hundred thirty-four".