235152420261 has 16 divisors (see below), whose sum is σ = 342047991360. Its totient is φ = 142513240320.

The previous prime is 235152420257. The next prime is 235152420289. The reversal of 235152420261 is 162024251532.

It is a happy number.

It is not a de Polignac number, because 235152420261 - 2² = 235152420257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235152420241) 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, 2661645 + ... + 2748573.

It is an arithmetic number, because the mean of its divisors is an integer number (21377999460).

Almost surely, 2^235152420261 is an apocalyptic number.

It is an amenable number.

235152420261 is a deficient number, since it is larger than the sum of its proper divisors (106895571099).

235152420261 is a wasteful number, since it uses less digits than its factorization.

235152420261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168916.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 235152420261 its reverse (162024251532), we get a palindrome (397176671793).

The spelling of 235152420261 in words is "two hundred thirty-five billion, one hundred fifty-two million, four hundred twenty thousand, two hundred sixty-one".