49640511510811 has 16 divisors (see below), whose sum is σ = 56328195399840. Its totient is φ = 43367472403200.

The previous prime is 49640511510803. The next prime is 49640511510869. The reversal of 49640511510811 is 11801511504694.

It is a cyclic number.

It is not a de Polignac number, because 49640511510811 - 2³ = 49640511510803 is a prime.

It is a super-3 number, since 3×49640511510811³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (49640511510511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98947090 + ... + 99447511.

It is an arithmetic number, because the mean of its divisors is an integer number (3520512212490).

Almost surely, 2^{49640511510811} is an apocalyptic number.

49640511510811 is a deficient number, since it is larger than the sum of its proper divisors (6687683889029).

49640511510811 is a wasteful number, since it uses less digits than its factorization.

49640511510811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198395646.

The product of its (nonzero) digits is 172800, while the sum is 46.

The spelling of 49640511510811 in words is "forty-nine trillion, six hundred forty billion, five hundred eleven million, five hundred ten thousand, eight hundred eleven".