153402461006261 has 4 divisors (see below), whose sum is σ = 153402716843724. Its totient is φ = 153402205168800.

The previous prime is 153402461006233. The next prime is 153402461006299. The reversal of 153402461006261 is 162600164204351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 132224563223236 + 21177897783025 = 11498894^2 + 4601945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153402461006261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153402461006461) 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, 127017200 + ... + 128219241.

It is an arithmetic number, because the mean of its divisors is an integer number (38350679210931).

Almost surely, 2^{153402461006261} is an apocalyptic number.

It is an amenable number.

153402461006261 is a deficient number, since it is larger than the sum of its proper divisors (255837463).

153402461006261 is an equidigital number, since it uses as much as digits as its factorization.

153402461006261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255837462.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 153402461006261 in words is "one hundred fifty-three trillion, four hundred two billion, four hundred sixty-one million, six thousand, two hundred sixty-one".