15494861877 has 16 divisors (see below), whose sum is σ = 22610465280. Its totient is φ = 9360623600.

The previous prime is 15494861783. The next prime is 15494861891. The reversal of 15494861877 is 77816849451.

15494861877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 15494861877 - 2¹¹ = 15494859829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15494861877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15494861077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744627 + ... + 765152.

It is an arithmetic number, because the mean of its divisors is an integer number (1413154080).

Almost surely, 2^15494861877 is an apocalyptic number.

It is an amenable number.

15494861877 is a deficient number, since it is larger than the sum of its proper divisors (7115603403).

15494861877 is a wasteful number, since it uses less digits than its factorization.

15494861877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510104.

The product of its digits is 13547520, while the sum is 60.

The spelling of 15494861877 in words is "fifteen billion, four hundred ninety-four million, eight hundred sixty-one thousand, eight hundred seventy-seven".