537117153540 has 144 divisors (see below), whose sum is σ = 1657690634880. Its totient is φ = 129846886400.

The previous prime is 537117153527. The next prime is 537117153541. The reversal of 537117153540 is 45351711735.

It is a junction number, because it is equal to n+sod(n) for n = 537117153492 and 537117153501.

It is not an unprimeable number, because it can be changed into a prime (537117153541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2503300 + ... + 2709380.

It is an arithmetic number, because the mean of its divisors is an integer number (11511740520).

Almost surely, 2^537117153540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537117153540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828845317440).

537117153540 is an abundant number, since it is smaller than the sum of its proper divisors (1120573481340).

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

537117153540 is a wasteful number, since it uses less digits than its factorization.

537117153540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206474 (or 206461 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 42.

The spelling of 537117153540 in words is "five hundred thirty-seven billion, one hundred seventeen million, one hundred fifty-three thousand, five hundred forty".