125400905815498 has 16 divisors (see below), whose sum is σ = 197094117185856. Its totient is φ = 59725490045760.

The previous prime is 125400905815463. The next prime is 125400905815499. The reversal of 125400905815498 is 894518509004521.

It is a super-3 number, since 3×125400905815498³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (125400905815499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5655811836 + ... + 5655834007.

It is an arithmetic number, because the mean of its divisors is an integer number (12318382324116).

Almost surely, 2^{125400905815498} is an apocalyptic number.

125400905815498 is a deficient number, since it is larger than the sum of its proper divisors (71693211370358).

125400905815498 is a wasteful number, since it uses less digits than its factorization.

125400905815498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11311646109.

The product of its (nonzero) digits is 20736000, while the sum is 61.

The spelling of 125400905815498 in words is "one hundred twenty-five trillion, four hundred billion, nine hundred five million, eight hundred fifteen thousand, four hundred ninety-eight".