1351152370644 has 48 divisors (see below), whose sum is σ = 3188145305856. Its totient is φ = 445330800000.

The previous prime is 1351152370627. The next prime is 1351152370649. The reversal of 1351152370644 is 4460732511531.

It is a happy number.

It is a super-2 number, since 2×1351152370644² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1351152370596 and 1351152370605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351152370649) 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, 167994 + ... + 1652430.

It is an arithmetic number, because the mean of its divisors is an integer number (66419693872).

Almost surely, 2^{1351152370644} is an apocalyptic number.

It is an amenable number.

1351152370644 is an abundant number, since it is smaller than the sum of its proper divisors (1836992935212).

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

1351152370644 is a wasteful number, since it uses less digits than its factorization.

1351152370644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485296 (or 1485294 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 1351152370644 in words is "one trillion, three hundred fifty-one billion, one hundred fifty-two million, three hundred seventy thousand, six hundred forty-four".