125551243351 has 8 divisors (see below), whose sum is σ = 132901076880. Its totient is φ = 118402775232.

The previous prime is 125551243333. The next prime is 125551243357. The reversal of 125551243351 is 153342155521.

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

It is a cyclic number.

It is not a de Polignac number, because 125551243351 - 2⁵ = 125551243319 is a prime.

It is a super-2 number, since 2×125551243351² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125551243351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125551243357) 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, 50340070 + ... + 50342563.

It is an arithmetic number, because the mean of its divisors is an integer number (16612634610).

Almost surely, 2^125551243351 is an apocalyptic number.

125551243351 is a deficient number, since it is larger than the sum of its proper divisors (7349833529).

125551243351 is a wasteful number, since it uses less digits than its factorization.

125551243351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100682705.

The product of its digits is 90000, while the sum is 37.

Adding to 125551243351 its reverse (153342155521), we get a palindrome (278893398872).

The spelling of 125551243351 in words is "one hundred twenty-five billion, five hundred fifty-one million, two hundred forty-three thousand, three hundred fifty-one".