46781580015381 has 16 divisors (see below), whose sum is σ = 63307098638784. Its totient is φ = 30721900729344.

The previous prime is 46781580015353. The next prime is 46781580015389. The reversal of 46781580015381 is 18351008518764.

It is not a de Polignac number, because 46781580015381 - 2¹⁷ = 46781579884309 is a prime.

It is a super-2 number, since 2×46781580015381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46781580015389) 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, 18202741 + ... + 20613173.

It is an arithmetic number, because the mean of its divisors is an integer number (3956693664924).

Almost surely, 2^{46781580015381} is an apocalyptic number.

It is an amenable number.

46781580015381 is a deficient number, since it is larger than the sum of its proper divisors (16525518623403).

46781580015381 is a wasteful number, since it uses less digits than its factorization.

46781580015381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507060.

The product of its (nonzero) digits is 6451200, while the sum is 57.

The spelling of 46781580015381 in words is "forty-six trillion, seven hundred eighty-one billion, five hundred eighty million, fifteen thousand, three hundred eighty-one".