102402240551537 has 2 divisors, whose sum is σ = 102402240551538. Its totient is φ = 102402240551536.

The previous prime is 102402240551497. The next prime is 102402240551543. The reversal of 102402240551537 is 735155042204201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101148398249536 + 1253842302001 = 10057256^2 + 1119751^2 .

It is a cyclic number.

It is not a de Polignac number, because 102402240551537 - 2²² = 102402236357233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102402240551494 and 102402240551503.

It is not a weakly prime, because it can be changed into another prime (102422240551537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51201120275768 + 51201120275769.

It is an arithmetic number, because the mean of its divisors is an integer number (51201120275769).

Almost surely, 2^{102402240551537} is an apocalyptic number.

It is an amenable number.

102402240551537 is a deficient number, since it is larger than the sum of its proper divisors (1).

102402240551537 is an equidigital number, since it uses as much as digits as its factorization.

102402240551537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336000, while the sum is 41.

Adding to 102402240551537 its reverse (735155042204201), we get a palindrome (837557282755738).

The spelling of 102402240551537 in words is "one hundred two trillion, four hundred two billion, two hundred forty million, five hundred fifty-one thousand, five hundred thirty-seven".