153541672261 has 2 divisors, whose sum is σ = 153541672262. Its totient is φ = 153541672260.

The previous prime is 153541672247. The next prime is 153541672283. The reversal of 153541672261 is 162276145351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143560663236 + 9981009025 = 378894^2 + 99905^2 .

It is a cyclic number.

It is not a de Polignac number, because 153541672261 - 2¹³ = 153541664069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153541672211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76770836130 + 76770836131.

It is an arithmetic number, because the mean of its divisors is an integer number (76770836131).

Almost surely, 2^153541672261 is an apocalyptic number.

It is an amenable number.

153541672261 is a deficient number, since it is larger than the sum of its proper divisors (1).

153541672261 is an equidigital number, since it uses as much as digits as its factorization.

153541672261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The spelling of 153541672261 in words is "one hundred fifty-three billion, five hundred forty-one million, six hundred seventy-two thousand, two hundred sixty-one".