15552782870 has 16 divisors (see below), whose sum is σ = 28007020080. Its totient is φ = 6218444064.

The previous prime is 15552782807. The next prime is 15552782887. The reversal of 15552782870 is 7828725551.

It is a happy number.

It is a super-5 number, since 5×15552782870⁵ (a number of 52 digits) contains 55555 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, 309077 + ... + 355856.

It is an arithmetic number, because the mean of its divisors is an integer number (1750438755).

Almost surely, 2^15552782870 is an apocalyptic number.

15552782870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15552782870 is a deficient number, since it is larger than the sum of its proper divisors (12454237210).

15552782870 is a wasteful number, since it uses less digits than its factorization.

15552782870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667279.

The product of its (nonzero) digits is 1568000, while the sum is 50.

The spelling of 15552782870 in words is "fifteen billion, five hundred fifty-two million, seven hundred eighty-two thousand, eight hundred seventy".