2145350131501 has 2 divisors, whose sum is σ = 2145350131502. Its totient is φ = 2145350131500.

The previous prime is 2145350131453. The next prime is 2145350131517. The reversal of 2145350131501 is 1051310535412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1772852305225 + 372497826276 = 1331485^2 + 610326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145350131501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145350171501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072675065750 + 1072675065751.

It is an arithmetic number, because the mean of its divisors is an integer number (1072675065751).

Almost surely, 2^{2145350131501} is an apocalyptic number.

It is an amenable number.

2145350131501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145350131501 is an equidigital number, since it uses as much as digits as its factorization.

2145350131501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 2145350131501 its reverse (1051310535412), we get a palindrome (3196660666913).

The spelling of 2145350131501 in words is "two trillion, one hundred forty-five billion, three hundred fifty million, one hundred thirty-one thousand, five hundred one".