2501434265501 has 2 divisors, whose sum is σ = 2501434265502. Its totient is φ = 2501434265500.

The previous prime is 2501434265497. The next prime is 2501434265509. The reversal of 2501434265501 is 1055624341052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1391574122500 + 1109860143001 = 1179650^2 + 1053499^2 .

It is a cyclic number.

It is not a de Polignac number, because 2501434265501 - 2² = 2501434265497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2501434265509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250717132750 + 1250717132751.

It is an arithmetic number, because the mean of its divisors is an integer number (1250717132751).

Almost surely, 2^{2501434265501} is an apocalyptic number.

It is an amenable number.

2501434265501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2501434265501 is an equidigital number, since it uses as much as digits as its factorization.

2501434265501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 2501434265501 in words is "two trillion, five hundred one billion, four hundred thirty-four million, two hundred sixty-five thousand, five hundred one".