125563043001 has 64 divisors (see below), whose sum is σ = 198923268096. Its totient is φ = 69597926400.

The previous prime is 125563042999. The next prime is 125563043107. The reversal of 125563043001 is 100340365521.

It is not a de Polignac number, because 125563043001 - 2¹ = 125563042999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125563043001.

It is not an unprimeable number, because it can be changed into a prime (125563043201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2818240 + ... + 2862446.

It is an arithmetic number, because the mean of its divisors is an integer number (3108176064).

Almost surely, 2^125563043001 is an apocalyptic number.

125563043001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125563043001 is a deficient number, since it is larger than the sum of its proper divisors (73360225095).

125563043001 is a wasteful number, since it uses less digits than its factorization.

125563043001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44382.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 125563043001 in words is "one hundred twenty-five billion, five hundred sixty-three million, forty-three thousand, one".