1150523122440 has 64 divisors (see below), whose sum is σ = 3458486520000. Its totient is φ = 306191308032.

The previous prime is 1150523122417. The next prime is 1150523122447. The reversal of 1150523122440 is 442213250511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1150523122398 and 1150523122407.

It is not an unprimeable number, because it can be changed into a prime (1150523122447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9547027 + ... + 9666786.

It is an arithmetic number, because the mean of its divisors is an integer number (54038851875).

Almost surely, 2^{1150523122440} is an apocalyptic number.

1150523122440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150523122440 is an abundant number, since it is smaller than the sum of its proper divisors (2307963397560).

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

1150523122440 is a wasteful number, since it uses less digits than its factorization.

1150523122440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19214326 (or 19214322 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1150523122440 its reverse (442213250511), we get a palindrome (1592736372951).

The spelling of 1150523122440 in words is "one trillion, one hundred fifty billion, five hundred twenty-three million, one hundred twenty-two thousand, four hundred forty".