125151662515 has 8 divisors (see below), whose sum is σ = 163834903728. Its totient is φ = 91019390880.

The previous prime is 125151662491. The next prime is 125151662527. The reversal of 125151662515 is 515266151521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125151662515 - 2⁷ = 125151662387 is a prime.

It is a super-2 number, since 2×125151662515² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137742332 + ... + 1137742441.

It is an arithmetic number, because the mean of its divisors is an integer number (20479362966).

Almost surely, 2^125151662515 is an apocalyptic number.

125151662515 is a deficient number, since it is larger than the sum of its proper divisors (38683241213).

125151662515 is a wasteful number, since it uses less digits than its factorization.

125151662515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275484789.

The product of its digits is 90000, while the sum is 40.

The spelling of 125151662515 in words is "one hundred twenty-five billion, one hundred fifty-one million, six hundred sixty-two thousand, five hundred fifteen".