1153551023122 has 8 divisors (see below), whose sum is σ = 1741347723276. Its totient is φ = 573101782032.

The previous prime is 1153551023111. The next prime is 1153551023167. The reversal of 1153551023122 is 2213201553511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1143935063401 + 9615959721 = 1069549^2 + 98061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836864373 + ... + 1836865000.

Almost surely, 2^{1153551023122} is an apocalyptic number.

1153551023122 is a deficient number, since it is larger than the sum of its proper divisors (587796700154).

1153551023122 is a wasteful number, since it uses less digits than its factorization.

1153551023122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673729532.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 1153551023122 its reverse (2213201553511), we get a palindrome (3366752576633).

The spelling of 1153551023122 in words is "one trillion, one hundred fifty-three billion, five hundred fifty-one million, twenty-three thousand, one hundred twenty-two".