125440063051 has 2 divisors, whose sum is σ = 125440063052. Its totient is φ = 125440063050.

The previous prime is 125440063031. The next prime is 125440063081. The reversal of 125440063051 is 150360044521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125440063051 - 2¹⁷ = 125439931979 is a prime.

It is not a weakly prime, because it can be changed into another prime (125440063031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62720031525 + 62720031526.

It is an arithmetic number, because the mean of its divisors is an integer number (62720031526).

Almost surely, 2^125440063051 is an apocalyptic number.

125440063051 is a deficient number, since it is larger than the sum of its proper divisors (1).

125440063051 is an equidigital number, since it uses as much as digits as its factorization.

125440063051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 125440063051 in words is "one hundred twenty-five billion, four hundred forty million, sixty-three thousand, fifty-one".