125361541651 has 8 divisors (see below), whose sum is σ = 126784756224. Its totient is φ = 123942986760.

The previous prime is 125361541639. The next prime is 125361541673. The reversal of 125361541651 is 156145163521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125361541651 is a prime.

It is a super-2 number, since 2×125361541651² (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 (125361541691) 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, 1110795 + ... + 1218436.

It is an arithmetic number, because the mean of its divisors is an integer number (15848094528).

Almost surely, 2^125361541651 is an apocalyptic number.

125361541651 is a deficient number, since it is larger than the sum of its proper divisors (1423214573).

125361541651 is a wasteful number, since it uses less digits than its factorization.

125361541651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329841.

The product of its digits is 108000, while the sum is 40.

The spelling of 125361541651 in words is "one hundred twenty-five billion, three hundred sixty-one million, five hundred forty-one thousand, six hundred fifty-one".