125542224051 has 8 divisors (see below), whose sum is σ = 168120592080. Its totient is φ = 83329336032.

The previous prime is 125542224037. The next prime is 125542224103. The reversal of 125542224051 is 150422245521.

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

It is not a de Polignac number, because 125542224051 - 2¹⁷ = 125542092979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125542224001) 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, 91369200 + ... + 91370573.

It is an arithmetic number, because the mean of its divisors is an integer number (21015074010).

Almost surely, 2^125542224051 is an apocalyptic number.

125542224051 is a deficient number, since it is larger than the sum of its proper divisors (42578368029).

125542224051 is a wasteful number, since it uses less digits than its factorization.

125542224051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182740005.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 125542224051 its reverse (150422245521), we get a palindrome (275964469572).

The spelling of 125542224051 in words is "one hundred twenty-five billion, five hundred forty-two million, two hundred twenty-four thousand, fifty-one".