7155492456901 has 4 divisors (see below), whose sum is σ = 7155503488972. Its totient is φ = 7155481424832.

The previous prime is 7155492456899. The next prime is 7155492456929. The reversal of 7155492456901 is 1096542945517.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1945115566276 + 5210376890625 = 1394674^2 + 2282625^2 .

It is a cyclic number.

It is not a de Polignac number, because 7155492456901 - 2¹ = 7155492456899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7155492456991) 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, 4478010 + ... + 5862043.

It is an arithmetic number, because the mean of its divisors is an integer number (1788875872243).

Almost surely, 2^{7155492456901} is an apocalyptic number.

It is an amenable number.

7155492456901 is a deficient number, since it is larger than the sum of its proper divisors (11032071).

7155492456901 is a wasteful number, since it uses less digits than its factorization.

7155492456901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11032070.

The product of its (nonzero) digits is 13608000, while the sum is 58.

The spelling of 7155492456901 in words is "seven trillion, one hundred fifty-five billion, four hundred ninety-two million, four hundred fifty-six thousand, nine hundred one".