101625265551 has 8 divisors (see below), whose sum is σ = 135516562864. Its totient is φ = 67742072640.

The previous prime is 101625265517. The next prime is 101625265589. The reversal of 101625265551 is 155562526101.

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

It is not a de Polignac number, because 101625265551 - 2¹³ = 101625257359 is a prime.

It is a super-2 number, since 2×101625265551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101625265351) 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 7 ways as a sum of consecutive naturals, for example, 1996780 + ... + 2047041.

It is an arithmetic number, because the mean of its divisors is an integer number (16939570358).

Almost surely, 2^101625265551 is an apocalyptic number.

101625265551 is a deficient number, since it is larger than the sum of its proper divisors (33891297313).

101625265551 is an equidigital number, since it uses as much as digits as its factorization.

101625265551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052201.

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 101625265551 in words is "one hundred one billion, six hundred twenty-five million, two hundred sixty-five thousand, five hundred fifty-one".