15494521141 has 8 divisors (see below), whose sum is σ = 17117078400. Its totient is φ = 13907624640.

The previous prime is 15494521129. The next prime is 15494521169. The reversal of 15494521141 is 14112549451.

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

It is a cyclic number.

It is not a de Polignac number, because 15494521141 - 2¹⁷ = 15494390069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15494521141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15494521121) 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, 8914276 + ... + 8916013.

It is an arithmetic number, because the mean of its divisors is an integer number (2139634800).

Almost surely, 2^15494521141 is an apocalyptic number.

15494521141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15494521141 is a deficient number, since it is larger than the sum of its proper divisors (1622557259).

15494521141 is a wasteful number, since it uses less digits than its factorization.

15494521141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17830379.

The product of its digits is 28800, while the sum is 37.

It can be divided in two parts, 15494 and 521141, that added together give a palindrome (536635).

The spelling of 15494521141 in words is "fifteen billion, four hundred ninety-four million, five hundred twenty-one thousand, one hundred forty-one".