20150402043415 has 8 divisors (see below), whose sum is σ = 27634837088160. Its totient is φ = 13817418544032.

The previous prime is 20150402043407. The next prime is 20150402043427. The reversal of 20150402043415 is 51434020405102.

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 20150402043415 - 2³ = 20150402043407 is a prime.

It is a super-2 number, since 2×20150402043415² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287862886300 + ... + 287862886369.

It is an arithmetic number, because the mean of its divisors is an integer number (3454354636020).

Almost surely, 2^{20150402043415} is an apocalyptic number.

20150402043415 is a deficient number, since it is larger than the sum of its proper divisors (7484435044745).

20150402043415 is an equidigital number, since it uses as much as digits as its factorization.

20150402043415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575725772681.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 20150402043415 its reverse (51434020405102), we get a palindrome (71584422448517).

The spelling of 20150402043415 in words is "twenty trillion, one hundred fifty billion, four hundred two million, forty-three thousand, four hundred fifteen".