248748211545 has 32 divisors (see below), whose sum is σ = 401201836032. Its totient is φ = 131597851392.

The previous prime is 248748211519. The next prime is 248748211571. The reversal of 248748211545 is 545112847842.

It is an interprime number because it is at equal distance from previous prime (248748211519) and next prime (248748211571).

It is not a de Polignac number, because 248748211545 - 2⁷ = 248748211417 is a prime.

It is a Curzon number.

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, 18992019 + ... + 19005111.

It is an arithmetic number, because the mean of its divisors is an integer number (12537557376).

Almost surely, 2^248748211545 is an apocalyptic number.

It is an amenable number.

248748211545 is a deficient number, since it is larger than the sum of its proper divisors (152453624487).

248748211545 is a wasteful number, since it uses less digits than its factorization.

248748211545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23201.

The product of its digits is 2867200, while the sum is 51.

The spelling of 248748211545 in words is "two hundred forty-eight billion, seven hundred forty-eight million, two hundred eleven thousand, five hundred forty-five".