11653121420787 has 128 divisors (see below), whose sum is σ = 19642762395648. Its totient is φ = 5969448576000.

The previous prime is 11653121420753. The next prime is 11653121420807. The reversal of 11653121420787 is 78702412135611.

It is not a de Polignac number, because 11653121420787 - 2⁶ = 11653121420723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11653121420747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6129994537 + ... + 6129996437.

It is an arithmetic number, because the mean of its divisors is an integer number (153459081216).

Almost surely, 2^{11653121420787} is an apocalyptic number.

11653121420787 is a deficient number, since it is larger than the sum of its proper divisors (7989640974861).

11653121420787 is a wasteful number, since it uses less digits than its factorization.

11653121420787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 11653121420787 in words is "eleven trillion, six hundred fifty-three billion, one hundred twenty-one million, four hundred twenty thousand, seven hundred eighty-seven".