48951415985 has 64 divisors (see below), whose sum is σ = 64862208000. Its totient is φ = 35326368000.

The previous prime is 48951415979. The next prime is 48951415993. The reversal of 48951415985 is 58951415984.

It is not a de Polignac number, because 48951415985 - 2¹⁶ = 48951350449 is a prime.

It is a super-2 number, since 2×48951415985² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59191142 + ... + 59191968.

It is an arithmetic number, because the mean of its divisors is an integer number (1013472000).

Almost surely, 2^48951415985 is an apocalyptic number.

It is an amenable number.

48951415985 is a deficient number, since it is larger than the sum of its proper divisors (15910792015).

48951415985 is a wasteful number, since it uses less digits than its factorization.

48951415985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182.

The product of its digits is 10368000, while the sum is 59.

Subtracting 48951415985 from its reverse (58951415984), we obtain a palindrome (9999999999).

The spelling of 48951415985 in words is "forty-eight billion, nine hundred fifty-one million, four hundred fifteen thousand, nine hundred eighty-five".