10620717155 has 4 divisors (see below), whose sum is σ = 12744860592. Its totient is φ = 8496573720.

The previous prime is 10620717131. The next prime is 10620717167. The reversal of 10620717155 is 55171702601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55171702601 = 61 ⋅904454141.

It is not a de Polignac number, because 10620717155 - 2²⁴ = 10603939939 is a prime.

It is a super-2 number, since 2×10620717155² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062071711 + ... + 1062071720.

It is an arithmetic number, because the mean of its divisors is an integer number (3186215148).

Almost surely, 2^10620717155 is an apocalyptic number.

10620717155 is a deficient number, since it is larger than the sum of its proper divisors (2124143437).

10620717155 is an equidigital number, since it uses as much as digits as its factorization.

10620717155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124143436.

The product of its (nonzero) digits is 14700, while the sum is 35.

The spelling of 10620717155 in words is "ten billion, six hundred twenty million, seven hundred seventeen thousand, one hundred fifty-five".