64525143411545 has 32 divisors (see below), whose sum is σ = 83245971110400. Its totient is φ = 47859109721856.

The previous prime is 64525143411503. The next prime is 64525143411557. The reversal of 64525143411545 is 54511434152546.

It is a cyclic number.

It is not a de Polignac number, because 64525143411545 - 2⁶ = 64525143411481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64525143411493 and 64525143411502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58521287 + ... + 59613683.

It is an arithmetic number, because the mean of its divisors is an integer number (2601436597200).

Almost surely, 2^{64525143411545} is an apocalyptic number.

It is an amenable number.

64525143411545 is a deficient number, since it is larger than the sum of its proper divisors (18720827698855).

64525143411545 is a wasteful number, since it uses less digits than its factorization.

64525143411545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105697.

The product of its digits is 5760000, while the sum is 50.

The spelling of 64525143411545 in words is "sixty-four trillion, five hundred twenty-five billion, one hundred forty-three million, four hundred eleven thousand, five hundred forty-five".