48515251561 has 8 divisors (see below), whose sum is σ = 57357933120. Its totient is φ = 40150552848.

The previous prime is 48515251523. The next prime is 48515251571. The reversal of 48515251561 is 16515251584.

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

It is not a de Polignac number, because 48515251561 - 2¹³ = 48515243369 is a prime.

It is a super-2 number, since 2×48515251561² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48515251501) 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, 119495491 + ... + 119495896.

It is an arithmetic number, because the mean of its divisors is an integer number (7169741640).

Almost surely, 2^48515251561 is an apocalyptic number.

It is an amenable number.

48515251561 is a deficient number, since it is larger than the sum of its proper divisors (8842681559).

48515251561 is a wasteful number, since it uses less digits than its factorization.

48515251561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238991423.

The product of its digits is 240000, while the sum is 43.

The spelling of 48515251561 in words is "forty-eight billion, five hundred fifteen million, two hundred fifty-one thousand, five hundred sixty-one".