125422650551 has 12 divisors (see below), whose sum is σ = 140794485216. Its totient is φ = 111594616320.

The previous prime is 125422650547. The next prime is 125422650559. The reversal of 125422650551 is 155056224521.

It is not a de Polignac number, because 125422650551 - 2² = 125422650547 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125422650559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11021450 + ... + 11032823.

It is an arithmetic number, because the mean of its divisors is an integer number (11732873768).

Almost surely, 2^125422650551 is an apocalyptic number.

125422650551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

125422650551 is a deficient number, since it is larger than the sum of its proper divisors (15371834665).

125422650551 is a wasteful number, since it uses less digits than its factorization.

125422650551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22054342 (or 22054331 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 125422650551 in words is "one hundred twenty-five billion, four hundred twenty-two million, six hundred fifty thousand, five hundred fifty-one".