11430721693910 has 16 divisors (see below), whose sum is σ = 20575375650000. Its totient is φ = 4572271655136.

The previous prime is 11430721693891. The next prime is 11430721693933. The reversal of 11430721693910 is 1939612703411.

It is a super-2 number, since 2×11430721693910² (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, 897341 + ... + 4864839.

It is an arithmetic number, because the mean of its divisors is an integer number (1285960978125).

Almost surely, 2^{11430721693910} is an apocalyptic number.

11430721693910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11430721693910 is a deficient number, since it is larger than the sum of its proper divisors (9144653956090).

11430721693910 is a wasteful number, since it uses less digits than its factorization.

11430721693910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255615.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 11430721693910 in words is "eleven trillion, four hundred thirty billion, seven hundred twenty-one million, six hundred ninety-three thousand, nine hundred ten".