1553145031064 has 16 divisors (see below), whose sum is σ = 3176887563720. Its totient is φ = 705975014080.

The previous prime is 1553145031033. The next prime is 1553145031069. The reversal of 1553145031064 is 4601305413551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553145031069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8824687589 + ... + 8824687764.

Almost surely, 2^{1553145031064} is an apocalyptic number.

It is an amenable number.

1553145031064 is an abundant number, since it is smaller than the sum of its proper divisors (1623742532656).

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

1553145031064 is a wasteful number, since it uses less digits than its factorization.

1553145031064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17649375370 (or 17649375366 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 1553145031064 in words is "one trillion, five hundred fifty-three billion, one hundred forty-five million, thirty-one thousand, sixty-four".