125550533154 has 32 divisors (see below), whose sum is σ = 251625926016. Its totient is φ = 41762770560.

The previous prime is 125550533153. The next prime is 125550533167. The reversal of 125550533154 is 451335055521.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125550533153) 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, 8689224 + ... + 8703660.

It is an arithmetic number, because the mean of its divisors is an integer number (7863310188).

Almost surely, 2^125550533154 is an apocalyptic number.

125550533154 is an abundant number, since it is smaller than the sum of its proper divisors (126075392862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125550533154 is a wasteful number, since it uses less digits than its factorization.

125550533154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17370.

The product of its (nonzero) digits is 225000, while the sum is 39.

Adding to 125550533154 its reverse (451335055521), we get a palindrome (576885588675).

The spelling of 125550533154 in words is "one hundred twenty-five billion, five hundred fifty million, five hundred thirty-three thousand, one hundred fifty-four".