10551155385 has 16 divisors (see below), whose sum is σ = 17048998080. Its totient is φ = 5571566400.

The previous prime is 10551155369. The next prime is 10551155387. The reversal of 10551155385 is 58355115501.

It is not a de Polignac number, because 10551155385 - 2⁴ = 10551155369 is a prime.

It is a super-2 number, since 2×10551155385² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10551155387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3480715 + ... + 3483744.

It is an arithmetic number, because the mean of its divisors is an integer number (1065562380).

Almost surely, 2^10551155385 is an apocalyptic number.

10551155385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10551155385 is a deficient number, since it is larger than the sum of its proper divisors (6497842695).

10551155385 is a wasteful number, since it uses less digits than its factorization.

10551155385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964568.

The product of its (nonzero) digits is 75000, while the sum is 39.

The spelling of 10551155385 in words is "ten billion, five hundred fifty-one million, one hundred fifty-five thousand, three hundred eighty-five".