125043503661434 has 4 divisors (see below), whose sum is σ = 187565255492154. Its totient is φ = 62521751830716.

The previous prime is 125043503661421. The next prime is 125043503661463. The reversal of 125043503661434 is 434166305340521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 86935167153409 + 38108336508025 = 9323903^2 + 6173195^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31260875915357 + ... + 31260875915360.

Almost surely, 2^{125043503661434} is an apocalyptic number.

125043503661434 is a deficient number, since it is larger than the sum of its proper divisors (62521751830720).

125043503661434 is an equidigital number, since it uses as much as digits as its factorization.

125043503661434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62521751830719.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 125043503661434 in words is "one hundred twenty-five trillion, forty-three billion, five hundred three million, six hundred sixty-one thousand, four hundred thirty-four".