1151520505150 has 48 divisors (see below), whose sum is σ = 2153000592000. Its totient is φ = 458210993760.

The previous prime is 1151520505147. The next prime is 1151520505169. The reversal of 1151520505150 is 515050251511.

It is a happy number.

It is a super-2 number, since 2×1151520505150² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8407921 + ... + 8543779.

It is an arithmetic number, because the mean of its divisors is an integer number (44854179000).

Almost surely, 2^{1151520505150} is an apocalyptic number.

1151520505150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151520505150 is a deficient number, since it is larger than the sum of its proper divisors (1001480086850).

1151520505150 is a wasteful number, since it uses less digits than its factorization.

1151520505150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136753 (or 136748 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 31.

Adding to 1151520505150 its reverse (515050251511), we get a palindrome (1666570756661).

The spelling of 1151520505150 in words is "one trillion, one hundred fifty-one billion, five hundred twenty million, five hundred five thousand, one hundred fifty".