125154223153 has 4 divisors (see below), whose sum is σ = 125652845808. Its totient is φ = 124655600500.

The previous prime is 125154223133. The next prime is 125154223157. The reversal of 125154223153 is 351322451521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125154223153 is a prime.

It is a super-2 number, since 2×125154223153² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125154223157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249310951 + ... + 249311452.

It is an arithmetic number, because the mean of its divisors is an integer number (31413211452).

Almost surely, 2^125154223153 is an apocalyptic number.

It is an amenable number.

125154223153 is a deficient number, since it is larger than the sum of its proper divisors (498622655).

125154223153 is an equidigital number, since it uses as much as digits as its factorization.

125154223153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498622654.

The product of its digits is 36000, while the sum is 34.

Adding to 125154223153 its reverse (351322451521), we get a palindrome (476476674674).

The spelling of 125154223153 in words is "one hundred twenty-five billion, one hundred fifty-four million, two hundred twenty-three thousand, one hundred fifty-three".