25414523211487 has 2 divisors, whose sum is σ = 25414523211488. Its totient is φ = 25414523211486.

The previous prime is 25414523211479. The next prime is 25414523211551. The reversal of 25414523211487 is 78411232541452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25414523211487 - 2³ = 25414523211479 is a prime.

It is a super-2 number, since 2×25414523211487² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25414523211487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25414523211457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12707261605743 + 12707261605744.

It is an arithmetic number, because the mean of its divisors is an integer number (12707261605744).

Almost surely, 2^{25414523211487} is an apocalyptic number.

25414523211487 is a deficient number, since it is larger than the sum of its proper divisors (1).

25414523211487 is an equidigital number, since it uses as much as digits as its factorization.

25414523211487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2150400, while the sum is 49.

The spelling of 25414523211487 in words is "twenty-five trillion, four hundred fourteen billion, five hundred twenty-three million, two hundred eleven thousand, four hundred eighty-seven".