10721152390 has 64 divisors (see below), whose sum is σ = 21569405760. Its totient is φ = 3809594880.

The previous prime is 10721152369. The next prime is 10721152447. The reversal of 10721152390 is 9325112701.

It is a super-2 number, since 2×10721152390² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1190605 + ... + 1199575.

It is an arithmetic number, because the mean of its divisors is an integer number (337021965).

Almost surely, 2^10721152390 is an apocalyptic number.

10721152390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10721152390 is an abundant number, since it is smaller than the sum of its proper divisors (10848253370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10721152390 is a wasteful number, since it uses less digits than its factorization.

10721152390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9337.

The product of its (nonzero) digits is 3780, while the sum is 31.

The spelling of 10721152390 in words is "ten billion, seven hundred twenty-one million, one hundred fifty-two thousand, three hundred ninety".