15501421130043 has 32 divisors (see below), whose sum is σ = 22182149417472. Its totient is φ = 9603883238400.

The previous prime is 15501421130023. The next prime is 15501421130053. The reversal of 15501421130043 is 34003112410551.

15501421130043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15501421130043 - 2¹⁷ = 15501420998971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15501421130023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2629398 + ... + 6157643.

It is an arithmetic number, because the mean of its divisors is an integer number (693192169296).

Almost surely, 2^{15501421130043} is an apocalyptic number.

15501421130043 is a deficient number, since it is larger than the sum of its proper divisors (6680728287429).

15501421130043 is a wasteful number, since it uses less digits than its factorization.

15501421130043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8787795.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 15501421130043 its reverse (34003112410551), we get a palindrome (49504533540594).

The spelling of 15501421130043 in words is "fifteen trillion, five hundred one billion, four hundred twenty-one million, one hundred thirty thousand, forty-three".