240551125505501 has 2 divisors, whose sum is σ = 240551125505502. Its totient is φ = 240551125505500.

The previous prime is 240551125505443. The next prime is 240551125505507. The reversal of 240551125505501 is 105505521155042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125186985312601 + 115364140192900 = 11188699^2 + 10740770^2 .

It is a cyclic number.

It is not a de Polignac number, because 240551125505501 - 2¹⁰ = 240551125504477 is a prime.

It is a super-2 number, since 2×240551125505501² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240551125505507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120275562752750 + 120275562752751.

It is an arithmetic number, because the mean of its divisors is an integer number (120275562752751).

Almost surely, 2^{240551125505501} is an apocalyptic number.

It is an amenable number.

240551125505501 is a deficient number, since it is larger than the sum of its proper divisors (1).

240551125505501 is an equidigital number, since it uses as much as digits as its factorization.

240551125505501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250000, while the sum is 41.

The spelling of 240551125505501 in words is "two hundred forty trillion, five hundred fifty-one billion, one hundred twenty-five million, five hundred five thousand, five hundred one".