153030635021261 has 8 divisors (see below), whose sum is σ = 158396042933400. Its totient is φ = 147671126406720.

The previous prime is 153030635021107. The next prime is 153030635021321. The reversal of 153030635021261 is 162120536030351.

It can be written as a sum of positive squares in 4 ways, for example, as 40235742217225 + 112794892804036 = 6343165^2 + 10620494^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153030635021261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153030635020261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1474771610 + ... + 1474875371.

It is an arithmetic number, because the mean of its divisors is an integer number (19799505366675).

Almost surely, 2^{153030635021261} is an apocalyptic number.

It is an amenable number.

153030635021261 is a deficient number, since it is larger than the sum of its proper divisors (5365407912139).

153030635021261 is a wasteful number, since it uses less digits than its factorization.

153030635021261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949648799.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 153030635021261 in words is "one hundred fifty-three trillion, thirty billion, six hundred thirty-five million, twenty-one thousand, two hundred sixty-one".