10101131551 has 4 divisors (see below), whose sum is σ = 11544150352. Its totient is φ = 8658112752.

The previous prime is 10101131539. The next prime is 10101131567. The reversal of 10101131551 is 15513110101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15513110101 = 19 ⋅816479479.

It is a cyclic number.

It is not a de Polignac number, because 10101131551 - 2¹⁷ = 10101000479 is a prime.

It is a super-2 number, since 2×10101131551² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101131531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721509390 + ... + 721509403.

It is an arithmetic number, because the mean of its divisors is an integer number (2886037588).

Almost surely, 2^10101131551 is an apocalyptic number.

10101131551 is a deficient number, since it is larger than the sum of its proper divisors (1443018801).

10101131551 is an equidigital number, since it uses as much as digits as its factorization.

10101131551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443018800.

The product of its (nonzero) digits is 75, while the sum is 19.

Adding to 10101131551 its reverse (15513110101), we get a palindrome (25614241652).

The spelling of 10101131551 in words is "ten billion, one hundred one million, one hundred thirty-one thousand, five hundred fifty-one".