125694501299 has 2 divisors, whose sum is σ = 125694501300. Its totient is φ = 125694501298.

The previous prime is 125694501217. The next prime is 125694501397. The reversal of 125694501299 is 992105496521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125694501299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125694501299.

It is not a weakly prime, because it can be changed into another prime (125694501209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62847250649 + 62847250650.

It is an arithmetic number, because the mean of its divisors is an integer number (62847250650).

Almost surely, 2^125694501299 is an apocalyptic number.

125694501299 is a deficient number, since it is larger than the sum of its proper divisors (1).

125694501299 is an equidigital number, since it uses as much as digits as its factorization.

125694501299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1749600, while the sum is 53.

The spelling of 125694501299 in words is "one hundred twenty-five billion, six hundred ninety-four million, five hundred one thousand, two hundred ninety-nine".