10155120551 has 8 divisors (see below), whose sum is σ = 10690693680. Its totient is φ = 9619656768.

The previous prime is 10155120541. The next prime is 10155120553. The reversal of 10155120551 is 15502155101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10155120551 - 2³⁰ = 9081378727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10155120551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10155120553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221435 + ... + 263331.

It is an arithmetic number, because the mean of its divisors is an integer number (1336336710).

Almost surely, 2^10155120551 is an apocalyptic number.

10155120551 is a deficient number, since it is larger than the sum of its proper divisors (535573129).

10155120551 is a wasteful number, since it uses less digits than its factorization.

10155120551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54673.

The product of its (nonzero) digits is 1250, while the sum is 26.

Adding to 10155120551 its reverse (15502155101), we get a palindrome (25657275652).

The spelling of 10155120551 in words is "ten billion, one hundred fifty-five million, one hundred twenty thousand, five hundred fifty-one".