125215322433251 has 16 divisors (see below), whose sum is σ = 125684080704000. Its totient is φ = 124747005264000.

The previous prime is 125215322433211. The next prime is 125215322433263. The reversal of 125215322433251 is 152334223512521.

It is a cyclic number.

It is not a de Polignac number, because 125215322433251 - 2²⁶ = 125215255324387 is a prime.

It is a super-2 number, since 2×125215322433251² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125215322433199 and 125215322433208.

It is not an unprimeable number, because it can be changed into a prime (125215322433211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7846055210 + ... + 7846071168.

It is an arithmetic number, because the mean of its divisors is an integer number (7855255044000).

Almost surely, 2^{125215322433251} is an apocalyptic number.

125215322433251 is a deficient number, since it is larger than the sum of its proper divisors (468758270749).

125215322433251 is a wasteful number, since it uses less digits than its factorization.

125215322433251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27970.

The product of its digits is 432000, while the sum is 41.

Adding to 125215322433251 its reverse (152334223512521), we get a palindrome (277549545945772).

The spelling of 125215322433251 in words is "one hundred twenty-five trillion, two hundred fifteen billion, three hundred twenty-two million, four hundred thirty-three thousand, two hundred fifty-one".