125240511066 has 48 divisors (see below), whose sum is σ = 284203524864. Its totient is φ = 36727416000.

The previous prime is 125240511031. The next prime is 125240511101. The reversal of 125240511066 is 660115042521.

It is an interprime number because it is at equal distance from previous prime (125240511031) and next prime (125240511101).

It is a super-2 number, since 2×125240511066² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2759875 + ... + 2804886.

It is an arithmetic number, because the mean of its divisors is an integer number (5920906768).

Almost surely, 2^125240511066 is an apocalyptic number.

125240511066 is an abundant number, since it is smaller than the sum of its proper divisors (158963013798).

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

125240511066 is a wasteful number, since it uses less digits than its factorization.

125240511066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5564819 (or 5564808 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 125240511066 its reverse (660115042521), we get a palindrome (785355553587).

The spelling of 125240511066 in words is "one hundred twenty-five billion, two hundred forty million, five hundred eleven thousand, sixty-six".