125455515001254 has 20 divisors (see below), whose sum is σ = 281113283614284. Its totient is φ = 41818505000364.

The previous prime is 125455515001247. The next prime is 125455515001261. The reversal of 125455515001254 is 452100515554521.

It is a happy number.

125455515001254 is a `hidden beast` number, since 1 + 2 + 5 + 4 + 5 + 5 + 515 + 0 + 0 + 125 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (125455515001247) and next prime (125455515001261).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 387208379472 + ... + 387208379795.

Almost surely, 2^{125455515001254} is an apocalyptic number.

125455515001254 is an abundant number, since it is smaller than the sum of its proper divisors (155657768613030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125455515001254 is an equidigital number, since it uses as much as digits as its factorization.

125455515001254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774416759281 (or 774416759272 counting only the distinct ones).

The product of its (nonzero) digits is 1000000, while the sum is 45.

The spelling of 125455515001254 in words is "one hundred twenty-five trillion, four hundred fifty-five billion, five hundred fifteen million, one thousand, two hundred fifty-four".